• Tama County, Iowa : 1:100 000-scale topographic map / Catalog Record

    Tama County, Iowa : 1:100 000-scale topographic map /

    Relief shown by contours and spot heights. "Compiled from USGS 1:24 000-scale topographic maps dated 1960-1980 ... Planimetry revised from aerial photographs taken 1983 ... Map edited 1986." Alternate title: Tama Co., Iowa. Includes location map/sheet index, index to topographic maps, location map, and meters/feet conversion table. "41092-H5-CF-100." 1 map : col. ; 52 x 42 cm., folded to 21 x 11 cm.

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1986
  • Fremont County, Iowa : 1:100 000-scale topographic map / Catalog Record

    Fremont County, Iowa : 1:100 000-scale topographic map /

    Relief shown by contours and spot heights. "Compiled from USGS 1:24 000-scale topographic maps dated 1956-1984 ... Planimetry revised from aerial photographs taken 1982 ... Map edited 1985." Alternate title: Fremont Co., Iowa. Includes location map/sheet index, index to topographic maps, location map, and meters/feet conversion table. "40095-F6-CF-100." 1 map : col. ; 39 x 47 cm., folded to 23 x 11 cm.

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1986
  • Delaware County, Iowa : 1:100 000-scale topographic map / Catalog Record

    Delaware County, Iowa : 1:100 000-scale topographic map /

    Relief shown by contours and spot heights. "Compiled from USGS 1:24 000-scale topographic maps dated 1957-1980 ... Planimetry revised from aerial photographs taken 1983 ... Map edited 1986." Alternate title: Delaware Co., Iowa. Includes location map/sheet index, index to topographic maps, location map, and meters/feet conversion table. "42091-D4-CF-100." 1 map : col. ; 43 x 43 cm., folded to 25 x 11 cm.

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1986
  • Buchanan County, Iowa : 1:100 000-scale topographic map / Catalog Record

    Buchanan County, Iowa : 1:100 000-scale topographic map /

    Relief shown by contours and spot heights. "Compiled from USGS 1:24 000-scale topographic maps dated 1965-1982 ... Planimetry revised from aerial photographs taken 1983 ... Map edited 1986." Alternate title: Buchanan Co., Iowa. Includes location map/sheet index, index to topographic maps, location map, and meters/feet conversion table. "42091-D8-CF-100." 1 map : col. ; 43 x 43 cm., folded to 26 x 11 cm.

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1986
  • Page County, Iowa : 1:100 000-scale topographic map / Catalog Record

    Page County, Iowa : 1:100 000-scale topographic map /

    Relief shown by contours and spot heights. "Compiled from USGS 1:24 000-scale topographic maps dated 1978-1981 ... Planimetry revised from aerial photographs taken 1982 ... Map edited 1987." Alternate title: Page Co., Iowa. Includes location map/sheet index, index to topographic maps, location map, and meters/feet conversion table. "40094-F1-CF-100." 1 map : col. ; 39 x 43 cm., folded to 23 x 11 cm.

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1987
  • Story County, Iowa : 1:100 000-scale topographic map / Catalog Record

    Story County, Iowa : 1:100 000-scale topographic map /

    Relief shown by contours and spot heights. "Compiled from USGS 1:24 000-scale topographic maps dated 1972-1975 ... Planimetry revised from aerial photographs taken 1983 ... Map edited 1985." Alternate title: Story Co., Iowa. Includes location map/sheet index, index to topographic maps, location map, and meters/feet conversion table. "42093-A4-CF-100." 1 map : col. ; 43 x 43 cm., folded to 26 x 11 cm.

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1985
  • Winneshiek County, Iowa : 1:100 000-scale topographic map / Catalog Record

    Winneshiek County, Iowa : 1:100 000-scale topographic map /

    Relief shown by contours and spot heights. "Compiled from USGS 1:24 000-scale topographic maps dated 1971-1981 ... Planimetry revised from aerial photographs taken 1982 ... Map edited 1985." Alternate title: Winneshiek Co., Iowa. Includes location map/sheet index, index to topographic maps, location map, and meters/feet conversion table. "43091-C7-CF-100." 1 map : col. ; 50 x 42 cm., folded to 21 x 10 cm.

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1985
  • Winnebago County, Iowa : 1:100 000-scale topographic map / Catalog Record

    Winnebago County, Iowa : 1:100 000-scale topographic map /

    Relief shown by contours and spot heights. "Compiled from USGS 1:24 000-scale topographic maps dated 1972 ... Planimetry revised from aerial photographs taken 1978-1980 ... Map edited 1986." Alternate title: Winnebago Co., Iowa. Includes location map/sheet index, index to topographic maps, location map, and meters/feet conversion table. "43093-C6-CF-100." 1 map : col. ; 30 x 42 cm., folded to 21 x 11 cm.

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1987
  • Greene County, Iowa : 1:100 000-scale topographic map / Catalog Record

    Greene County, Iowa : 1:100 000-scale topographic map /

    Relief shown by contours and spot heights. "Compiled from USGS 1:24 000-scale topographic maps dated 1971-1986 ... Planimetry revised from aerial photographs taken 1983 ... Map edited 1987." Alternate title: Greene Co., Iowa. Includes location map/sheet index, index to topographic maps, location map, and meters/feet conversion table. "42094-A3-CF-100." 1 map : col. ; 41 x 41 cm., folded to 24 x 11 cm.

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1987
  • Buena Vista County, Iowa : 1:100 000-scale topographic map / Catalog Record

    Buena Vista County, Iowa : 1:100 000-scale topographic map /

    Relief shown by contours and spot heights. "Compiled from USGS 1:24 000-scale topographic maps dated 1969-1979 ... Planimetry revised from aerial photographs taken 1978-1983 ... Map edited 1986." Alternate title: Buena Vista Co., Iowa. Includes location map/sheet index, index to topographic maps, location map, and meters/feet conversion table. "42095-B6-CF-100." 1 map : col. ; 45 x 43 cm., folded to 26 x 11 cm.

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1986
  • Monroe County, Iowa : 1:100 000-scale topographic map / Catalog Record

    Monroe County, Iowa : 1:100 000-scale topographic map /

    Relief shown by contours and spot heights. "Compiled from USGS 1:24 000-scale topographic maps dated 1968-1982 ... Planimetry revised from aerial photographs taken 1978 ... Map edited 1986." Alternate title: Monroe Co., Iowa. Includes location map/sheet index, index to topographic maps, location map, and meters/feet conversion table. "41092-A7-CF-100." 1 map : col. ; 34 x 43 cm., folded to 21 x 11 cm.

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1986
  • Des Moines County, Iowa : 1:100 000-scale topographic map / Catalog Record

    Des Moines County, Iowa : 1:100 000-scale topographic map /

    Relief shown by contours and spot heights. "Compiled from USGS 1:24 000-scale topographic maps dated 1953-1982 ... Planimetry revised from aerial photographs taken 1978-1984 ... Map edited 1986." Alternate title: Des Moines Co., Iowa. Includes location map/sheet index, index to topographic maps, location map, and meters/feet conversion table. "40091-G1-CF-100." 1 map : col. ; 45 x 44 cm., folded to 26 x 11 cm.

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1987
  • Humboldt County, Iowa : 1:100 000-scale topographic map / Catalog Record

    Humboldt County, Iowa : 1:100 000-scale topographic map /

    Relief shown by contours and spot heights. "Compiled from USGS 1:24 000-scale topographic maps dated 1972-1980 ... Planimetry revised from aerial photographs taken 1983 and 1984 ... Map edited 1986." Alternate title: Humboldt Co., Iowa. Includes location map/sheet index, index to topographic maps, location map, and meters/feet conversion table. "42094-F2-CF-100." 1 map : col. ; 34 x 43 cm., folded to 21 x 11 ...

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1987
  • Polk County, Iowa : 1:100 000-scale topographic map / Catalog Record

    Polk County, Iowa : 1:100 000-scale topographic map /

    Relief shown by contours and spot heights. "Compiled from USGS 1:24 000-scale topographic maps dated 1956-1976 ... Planimetry revised from aerial photographs taken 1983 ... Map edited 1986." Alternate title: Polk Co., Iowa. Includes location map/sheet index, index to topographic maps, location map, and meters/feet conversion table. "41093-E5-CF-100." 1 map : col. ; 47 x 44 cm., folded to 21 x 11 cm.

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1986
  • Pottawattamie County, IA DOQ, digital orthophoto quadrangle data / Catalog Record

    Pottawattamie County, IA DOQ, digital orthophoto quadrangle d...

    System requirements: An 80386 IBM compatible computer with MS-DOS version 3.1 or later, and 640K of RAM, and a CD-ROM reader using Microsoft Extensions, version 2.0 or later. Title from disc label. Relief shown by contours and spot heights. "JPEG compressed data." "Mastered 10/95." "ISO 9660." "Monochrome 1-meter pixels"--Container insert. 1 computer laser optical disc : col. ; 4 3/4 in.

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1996
  • Pottawattamie County, Iowa : 1:100 000-scale topographic map / Catalog Record

    Pottawattamie County, Iowa : 1:100 000-scale topographic map /

    Relief shown by contours and spot heights. "Compiled from USGS 1:24 000-scale topographic maps dated 1956-1978 ... Planimetry revised from aerial photographs taken 1981-82 ... Map edited 1985." Alternate title: Pottawattamie Co., Iowa. Includes location map/sheet index, index to topographic maps, location map, and meters/feet conversion table. "41095-C7-CF-100." 1 map : col. ; 41 x 76 cm., folded to 24 x 11 cm.

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1985
  • Sioux Falls, SD and Rock Rapids, IA Sioux Falls, SD : 43096, DRG, digital raster graphic data / Catalog Record

    Sioux Falls, SD and Rock Rapids, IA Sioux Falls, SD : 43096, ...

    System requirements: IBM compatible PC 80386 or higher; 4 MB of RAM (8 MB recommended); 16 MB of hard drive space; Microsoft Windows 3.1 (optional); CD ROM player and Microsoft Extensions 2.0 or later. System requirements for DOS-based Aerial View Lite viewing software: graphics card which displays 256 colors with resolution of at least 640 x 480; mouse with mouse driver loaded; minimum of ...

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1996
  • Henry County, Iowa : 1:100 000-scale topographic map / Catalog Record

    Henry County, Iowa : 1:100 000-scale topographic map /

    Relief shown by contours and spot heights. "Compiled from USGS 1:24 000-scale topographic maps dated 1980-81 ... Planimetry revised from aerial photographs taken 1983-84 ... Map edited 1986." Alternate title: Henry Co., Iowa. Includes location map/sheet index, index to topographic maps, location map, and meters/feet conversion table. "40091-H5-CF-100." 1 map : col. ; 41 x 33 cm., folded to 24 x 11 cm.

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1987
  • Dickinson County, Iowa : 1:100 000-scale topographic map / Catalog Record

    Dickinson County, Iowa : 1:100 000-scale topographic map /

    Relief shown by contours and spot heights. "Compiled from USGS 1:24 000-scale topographic maps dated 1968-1982 ... Planimetry revised from aerial photographs taken 1973, 1980 ... Map edited 1987." Alternate title: Dickinson Co., Iowa. Includes location map/sheet index, index to topographic maps, location map, and meters/feet conversion table. "43095-D1-CF-100." 1 map : col. ; 32 x 44 cm., folded to 21 x 11 cm.

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1987
  • Woodbury County, Iowa : 1:100 000-scale topographic map / Catalog Record

    Woodbury County, Iowa : 1:100 000-scale topographic map /

    Relief shown by contours and spot heights. "Compiled from USGS 1:24 000-scale topographic maps dated 1962-1982 ... Planimetry revised from aerial photographs taken 1983 ... Map edited 1985." Alternate title: Woodbury Co., Iowa. Includes location map/sheet index, index to topographic maps, location map, and meters/feet conversion table. "42096-D4-CF-100." 1 map : col. ; 45 x 72 cm., folded to 26 x 11 cm.

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1986
  • Linn County, IA DOQ, digital orthophoto quadrangle data : US GEODATA / Catalog Record

    Linn County, IA DOQ, digital orthophoto quadrangle data : US ...

    System requirements: An 80386 IBM compatible computer with MS-DOS version 3.1 or later, and 640K of RAM, and a CD-ROM reader using Microsoft Extensions, version 2.0 or later. Relief shown by contours and spot heights. Title from disc label. JPEG compressed data image files. Shipping list no.: 96-0022-E. "Mastered 10/95." "Monochrome 1-meter pixels"--Container insert. "ISO 9660." "FIPS code 19113." 1 computer laser optical disc ...

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1995
  • Iowa County, Iowa : 1:100 000-scale topographic map / Catalog Record

    Iowa County, Iowa : 1:100 000-scale topographic map /

    Relief shown by contours and spot heights. "Compiled from USGS 1:24 000-scale topographic maps dated 1965-1973 ... Planimetry revised from aerial photographs taken 1983 ... Map edited 1984." Alternate title: Iowa Co., Iowa. Includes location map/sheet index, index to topographic maps, location map, and meters/feet conversion table. "41092-G1-CF-100." 1 map : col. ; 43 x 42 cm., folded to 26 x 11 cm.

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1984
  • Dubuque County, Iowa : 1:100 000-scale topographic map / Catalog Record

    Dubuque County, Iowa : 1:100 000-scale topographic map /

    Relief shown by contours and spot heights. "Compiled from USGS 1:24 000-scale topographic maps dated 1955-1980 ... Planimetry revised from aerial photographs taken 1982-83 ... Map edited 1985." Alternate title: Dubuque Co., Iowa. Includes location map/sheet index, index to topographic maps, location map, and meters/feet conversion table. "42090-E6-CF-100." 1 map : col. ; 45 x 57 cm., folded to 25 x 11 cm.

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1985
  • Audubon County, Iowa : 1:100 000-scale topographic map / Catalog Record

    Audubon County, Iowa : 1:100 000-scale topographic map /

    Relief shown by contours and spot heights. "Compiled from USGS 1:24 000-scale topographic maps dated 1971-1983 ... Planimetry revised from aerial photographs taken 1973, 1983 ... Map edited 1986." Alternate title: Audubon Co., Iowa. Includes location map/sheet index, index to topographic maps, location map, and meters/feet conversion table. "42094-F8-CF-100." 1 map : col. ; 45 x 37 cm., folded to 26 x 11 cm.

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1986
  • Harrison County, Iowa : 1:100 000-scale topographic map / Catalog Record

    Harrison County, Iowa : 1:100 000-scale topographic map /

    Relief shown by contours and spot heights. "Compiled from USGS 1:24 000-scale topographic maps dated 1970-1983 ... Planimetry revised from aerial photographs taken 1973-1981 ... Map edited 1987." Alternate title: Harrison Co., Iowa. Includes location map/sheet index, index to topographic maps, location map, and meters/feet conversion table. "41095-F7-CF-100." 1 map : col. ; 45 x 58 cm., folded to 26 x 11 cm.

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1987
  • Humboldt County, IA DOQ, digital orthophoto quadrangle data : US GEODATA / Catalog Record

    Humboldt County, IA DOQ, digital orthophoto quadrangle data :...

    System requirements: An 80386 IBM compatible computer with MS-DOS version 3.1 or later, and 640K of RAM, and a CD-ROM reader using Microsoft Extensions, version 2.0 or later. Relief shown by contours and spot heights. Title from disc label. JPEG compressed data image files. Shipping list no.: 96-0018-E. "Mastered 10/95." "Monochrome 1-meter pixels"--Container insert. "ISO 9660. "FIPS code 19091." 1 computer laser optical disc ...

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1995
  • Mitchell County, Iowa : 1:100 000-scale topographic map / Catalog Record

    Mitchell County, Iowa : 1:100 000-scale topographic map /

    Relief shown by contours and spot heights. "Compiled from USGS 1:24 000-scale topographic maps dated 1959-1972 ... Planimetry revised from aerial photographs taken 1978-1983 ... Map edited 1987." Alternate title: Mitchell Co., Iowa. Includes location map/sheet index, index to topographic maps, location map, and meters/feet conversion table. "43092-C7-CF-100." 1 map : col. ; 36 x 43 cm., folded to 22 x 11 cm.

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1987
  • Monona County, Iowa : 1:100 000-scale topographic map / Catalog Record

    Monona County, Iowa : 1:100 000-scale topographic map /

    Relief shown by contours and spot heights. "Compiled from USGS 1:24 000-scale topographic maps dated 1966-1983 ... Planimetry revised from aerial photographs taken 1973-1983 ... Map edited 1987." Alternate title: Monona Co., Iowa. Includes location map/sheet index, index to topographic maps, location map, and meters/feet conversion table. "42096-A1-CF-100." 1 map : col. ; 45 x 60 cm., folded to 26 x 11 cm.

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1987
  • Guthrie County, Iowa : 1:100 000-scale topographic map / Catalog Record

    Guthrie County, Iowa : 1:100 000-scale topographic map /

    Relief shown by contours and spot heights. "Compiled from USGS 1:24 000-scale topographic maps dated 1971-1982 ... Planimetry revised from aerial photographs taken 1983 ... Map edited 1986." Alternate title: Guthrie Co., Iowa. Includes location map/sheet index, index to topographic maps, location map, and meters/feet conversion table. "41094-F5-CF-100." 1 map : col. ; 45 x 46 cm., folded to 21 x 11 cm.

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1986
  • Wright County, Iowa : 1:100 000-scale topographic map / Catalog Record

    Wright County, Iowa : 1:100 000-scale topographic map /

    Relief shown by contours and spot heights. "Compiled from USGS 1:24 000-scale topographic maps dated 1972-1979 ... Planimetry revised from aerial photographs taken 1978 and 1983 ... Map edited 1987." Alternate title: Wright Co., Iowa. Includes location map/sheet index, index to topographic maps, location map, and meters/feet conversion table. "42093-F6-CF-100." 1 map : col. ; 41 x 42 cm., folded to 24 x 11 ...

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1987
  • Howard County, Iowa : 1:100 000-scale topographic map / Catalog Record

    Howard County, Iowa : 1:100 000-scale topographic map /

    Relief shown by contours and spot heights. "Compiled from USGS 1:24 000-scale topographic maps dated 1965-1981 ... Planimetry revised from aerial photographs taken 1982-83 ... Map edited 1986." Alternate title: Howard Co., Iowa. Includes location map/sheet index, index to topographic maps, location map, and meters/feet conversion table. "43092-C1-CF-100." 1 map : col. ; 36 x 41 cm., folded to 21 x 11 cm.

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1986
  • Appanoose County, Iowa : 1:100 000-scale topographic map / Catalog Record

    Appanoose County, Iowa : 1:100 000-scale topographic map /

    Relief shown by contours and spot heights. "Compiled from USGS 1:24 000-scale topographic maps dated 1962-1982 ... Planimetry revised from aerial photographs taken 1978 ... Map edited 1986." Alternate title: Appanoose Co., Iowa. Includes location map/sheet index, index to topographic maps, location map, and meters/feet conversion table. "42092-F7-CF-100." 1 map : col. ; 39 x 43 cm., folded to 23 x 11 cm.

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1986
  • Clinton County, Iowa : 1:100 000-scale topographic map / Catalog Record

    Clinton County, Iowa : 1:100 000-scale topographic map /

    Relief shown by contours and spot heights. "Compiled from USGS 1:24 000-scale topographic maps dated 1953-1980 ... Planimetry revised from aerial photographs taken 1983 ... Map edited 1985." Alternate title: Clinton Co., Iowa. Includes location map/sheet index, index to topographic maps, location map, and meters/feet conversion table. "41090-G2-CF-100." 1 map : col. ; 37 x 67 cm., folded to 22 x 10 cm.

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1986
  • Pocahontas County, Iowa : 1:100 000-scale topographic map / Catalog Record

    Pocahontas County, Iowa : 1:100 000-scale topographic map /

    Relief shown by contours and spot heights. "Compiled from USGS 1:24 000-scale topographic maps dated 1971-1980 ... Planimetry revised from aerial photographs taken 1978-1983 ... Map edited 1986." Alternate title: Pocahontas Co., Iowa. Includes location map/sheet index, index to topographic maps, location map, and meters/feet conversion table. "42094-F6-CF-100." 1 map : col. ; 47 x 43 cm., folded to 21 x 11 cm.

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1986
  • Worth County, Iowa : 1:100 000-scale topographic map / Catalog Record

    Worth County, Iowa : 1:100 000-scale topographic map /

    Relief shown by contours and spot heights. "Compiled from USGS 1:24 000-scale topographic maps dated 1972 ... Planimetry revised from aerial photographs taken 1978-1980 ... Map edited 1987." Alternate title: Worth Co., Iowa. Includes location map/sheet index, index to topographic maps, location map, and meters/feet conversion table. "43093-D2-CF-100." 1 map : col. ; 30 x 41 cm., folded to 21 x 11 cm.

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1987
  • Lee County, Iowa : 1:100 000-scale topographic map / Catalog Record

    Lee County, Iowa : 1:100 000-scale topographic map /

    Relief shown by contours and spot heights. "Compiled from USGS 1:24 000-scale topographic maps dated 1949-1982 ... Planimetry revised from aerial photographs taken 1983-84 ... Map edited 1987." Alternate title: Lee Co., Iowa. Includes location map/sheet index, index to topographic maps, location map, and meters/feet conversion table. "40091-F3-CF-100." 1 map : col. ; 52 x 56 cm., folded to 21 x 11 cm.

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1987
  • State of Iowa. Base map with highways and contours. Catalog Record

    State of Iowa. Base map with highways and contours.

    col. map 75 x 112 cm.

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1966
  • Jackson County, Iowa : 1:100 000-scale topographic map / Catalog Record

    Jackson County, Iowa : 1:100 000-scale topographic map /

    Relief shown by contours and spot heights. "Compiled from USGS 1:24 000-scale topographic maps dated 1953-1980 ... Planimetry revised from aerial photographs taken 1983 ... Map edited 1986." Alternate title: Jackson Co., Iowa. Includes location map/sheet index, index to topographic maps, location map, and meters/feet conversion table. "42090-A6-CF-100." 1 map : col. ; 43 x 64 cm., folded to 25 x 11 cm.

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1986
  • Ringgold County, Iowa : 1:100 000-scale topographic map / Catalog Record

    Ringgold County, Iowa : 1:100 000-scale topographic map /

    Relief shown by contours and spot heights. "Compiled from USGS 1:24 000-scale topographic maps dated 1981 ... Planimetry revised from aerial photographs taken 1984 ... Map edited 1987." Alternate title: Ringgold Co., Iowa. Includes location map/sheet index, index to topographic maps, location map, and meters/feet conversion table. "40094-F2-CF-100." 1 map : col. ; 39 x 41 cm., folded to 24 x 11 cm.

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1987
  • Polk County, IA DOQ, digital orthophoto quadrangle data : FIPS code 19153 : US GEODATA / Catalog Record

    Polk County, IA DOQ, digital orthophoto quadrangle data : FIP...

    System requirements: An 80386 IBM compatible computer with MS-DOS version 3.1 or later, and 640K of RAM, and a CD-ROM reader using Microsoft Extensions, version 2.0 or later. Relief shown by contours and spot heights. Title from disc label. Shipping list no.: 94-0011-E. "Mastered 2/94." "Monochrome 1-meter pixels"--Container insert. "ISO 9660, JPEG compressed data." 1 computer laser optical disc ; 4 3/4 in.

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1994
  • Jefferson County, Iowa : 1:100 000-scale topographic map / Catalog Record

    Jefferson County, Iowa : 1:100 000-scale topographic map /

    Relief shown by contours and spot heights. "Compiled from USGS 1:24 000-scale topographic maps dated 1965-1980 ... Planimetry revised from aerial photographs taken 1978-1984 ... Map edited 1985." Alternate title: Jefferson Co., Iowa. Includes location map/sheet index, index to topographic maps, location map, and meters/feet conversion table. "41091-A8-CF-100." 1 map : col. ; 34 x 43 cm., folded to 21 x 11 cm.

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1986
  • Allamakee County, Iowa : 1:100 000-scale topographic map / Catalog Record

    Allamakee County, Iowa : 1:100 000-scale topographic map /

    Relief shown by contours and spot heights. "Compiled from USGS 1:24 000-scale topographic maps dated 1965-1983 ... Planimetry revised from aerial photographs taken 1983 ... Map edited 1985." Alternate title: Allamakee Co., Iowa. Includes location map/sheet index, index to topographic maps, location map, and meters/feet conversion table. "42091-C4-CF-100." 1 map : col. ; 50 x 48 cm., folded to 21 x 11 cm.

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1985
  • Decatur County, Iowa : 1:100 000-scale topographic map / Catalog Record

    Decatur County, Iowa : 1:100 000-scale topographic map /

    Relief shown by contours and spot heights. "Compiled from USGS 1:24 000-scale topographic maps dated 1964-1980 ... Planimetry revised from aerial photographs taken 1978 and 1984 ... Map edited 1986." Alternate title: Decatur Co., Iowa. Includes location map/sheet index, index to topographic maps, location map, and meters/feet conversion table. "40093-F6-CF-100." 1 map : col. ; 41 x 43 cm., folded to 25 x 11 ...

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1986
  • Sac County, Iowa : 1:100 000-scale topographic map / Catalog Record

    Sac County, Iowa : 1:100 000-scale topographic map /

    Relief shown by contours and spot heights. "Compiled from USGS 1:24 000-scale topographic maps dated 1967-1980 ... Planimetry revised from aerial photographs taken 1980 ... Map edited 1987." Alternate title: Sac Co., Iowa. Includes location map/sheet index, index to topographic maps, location map, and meters/feet conversion table. "42094-D8-CF-100." 1 map : col. ; 45 x 49 cm., folded to 26 x 11 cm.

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1987
  • Johnson County, Iowa : 1:100 000-scale topographic map / Catalog Record

    Johnson County, Iowa : 1:100 000-scale topographic map /

    Relief shown by contours and spot heights. "Compiled from USGS 1:24 000-scale topographic maps dated 1965-1975 ... Planimetry revised from aerial photographs taken 1983 ... Map edited 1985." Alternate title: Johnson Co., Iowa. Includes location map/sheet index, index to topographic maps, location map, and meters/feet conversion table. "41091-F5-CF-100." 1 map : col. ; 54 x 42 cm., folded to 21 x 11 cm.

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1985
  • Clarke County, Iowa : 1:100 000-scale topographic map / Catalog Record

    Clarke County, Iowa : 1:100 000-scale topographic map /

    Relief shown by contours and spot heights. "Compiled from USGS 1:24 000-scale topographic maps dated 1965-1983 ... Planimetry revised from aerial photographs taken 1983 ... Map edited 1986." Alternate title: Clarke Co., Iowa. Includes location map/sheet index, index to topographic maps, location map, and meters/feet conversion table. "41093-A7-CF-100." 1 map : col. ; 34 x 43 cm., folded to 21 x 11 cm.

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1986
  • Poweshiek County, Iowa : 1:100 000-scale topographic map / Catalog Record

    Poweshiek County, Iowa : 1:100 000-scale topographic map /

    Relief shown by contours and spot heights. "Compiled from USGS 1:24 000-scale topographic maps dated 1968-1980 ... Planimetry revised from aerial photographs taken 1983 ... Map edited 1985." Alternate title: Poweshiek Co., Iowa. Includes location map/sheet index, index to topographic maps, location map, and meters/feet conversion table. "41092-E5-CF-100." 1 map : col. ; 45 x 44 cm., folded to 26 x 10 cm.

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1986
  • Keokuk County, Iowa : 1:100 000-scale topographic map / Catalog Record

    Keokuk County, Iowa : 1:100 000-scale topographic map /

    Relief shown by contours and spot heights. "Compiled from USGS 1:24 000-scale topographic maps dated 1965-1980 ... Planimetry revised from aerial photographs taken 1978 ... Map edited 1986." Alternate title: Keokuk Co., Iowa. Includes location map/sheet index, index to topographic maps, location map, and meters/feet conversion table. "41092-C2-CF-100." 1 map : col. ; 43 x 44 cm., folded to 26 x 11 cm.

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1986
  • Adams County, Iowa : 1:100 000-scale topographic map / Catalog Record

    Adams County, Iowa : 1:100 000-scale topographic map /

    Relief shown by contours and spot heights. "Compiled from USGS 1:24 000-scale topographic maps dated 1980-1981 ... Planimetry revised from aerial photographs taken 1983 ... Map edited 1986." Alternate title: Adams Co., Iowa. Includes location map/sheet index, index to topographic maps, location map, and meters/feet conversion table. "42094-H6-CF-100." 1 map : col. ; 34 x 44 cm., folded to 21 x 11 cm.

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1986
  • Linn County, Iowa : 1:100 000-scale topographic map / Catalog Record

    Linn County, Iowa : 1:100 000-scale topographic map /

    Relief shown by contours and spot heights. "Compiled from USGS 1:24 000-scale topographic maps dated 1965-1982 ... Planimetry revised from aerial photographs taken 1983 ... Map edited 1985." Alternate title: Linn Co., Iowa. Includes location map/sheet index, index to topographic maps, location map, and meters/feet conversion table. "41091-H6-CF-100." 1 map : col. ; 54 x 45 cm., folded to 21 x 11 cm.

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1986
  • Hamilton County, Iowa : 1:100 000-scale topographic map / Catalog Record

    Hamilton County, Iowa : 1:100 000-scale topographic map /

    Relief shown by contours and spot heights. "Compiled from USGS 1:24 000-scale topographic maps dated 1965-1979 ... Planimetry revised from aerial photographs taken 1978-1983 ... Map edited 1986." Alternate title: Hamilton Co., Iowa. Includes location map/sheet index, index to topographic maps, location map, and meters/feet conversion table. "42093-D7-CF-100." 1 map : col. ; 41 x 45 cm., folded to 25 x 11 cm.

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1987
  • Hydrologic unit map--1974, State of Iowa. Catalog Record

    Hydrologic unit map--1974, State of Iowa.

    Scale 1:500,000; 1 in. equals approx. 8 miles. Relief shown by spot heights. "Lambert conformal conic projection based on standard parallels 330 and 450." "Base map drainage modified in 1974." Base map "Compiled in 1965. Edition of 1966." Includes text and table of hydrologic units. col. map 75 x 112 cm. fold. in envelope 30 x 24 cm.

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1976
  • Crawford County, Iowa : 1:100 000-scale topographic map / Catalog Record

    Crawford County, Iowa : 1:100 000-scale topographic map /

    Relief shown by contours and spot heights. "Compiled from USGS 1:24 000-scale topographic maps dated 1969-1982 ... Planimetry revised from aerial photographs taken 1982-83 ... Map edited 1985." Alternate title: Crawford Co., Iowa. Includes location map/sheet index, index to topographic maps, location map, and meters/feet conversion table. "42095-A3-CF-100." 1 map : col. ; 43 x 53 cm., folded to 25 x 10 cm.

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1986
  • Chickasaw County, Iowa : 1:100 000-scale topographic map / Catalog Record

    Chickasaw County, Iowa : 1:100 000-scale topographic map /

    Relief shown by contours and spot heights. "Compiled from USGS 1:24 000-scale topographic maps dated 1971-1981 ... Planimetry revised from aerial photographs taken 1982-84 ... Map edited 1987." Alternate title: Chickasaw Co., Iowa. Includes location map/sheet index, index to topographic maps, location map, and meters/feet conversion table. "43092-A3-CF-100." 1 map : col. ; 37 x 43 cm., folded to 22 x 11 cm.

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1987
  • Jones County, Iowa : 1:100 000-scale topographic map / Catalog Record

    Jones County, Iowa : 1:100 000-scale topographic map /

    Relief shown by contours and spot heights. "Compiled from USGS 1:24 000-scale topographic maps dated 1965-1980 ... Planimetry revised from aerial photographs taken 1983 ... Map edited 1986." Alternate title: Jones Co., Iowa. Includes location map/sheet index, index to topographic maps, location map, and meters/feet conversion table. "42091-A3-CF-100." 1 map : col. ; 43 x 43 cm., folded to 26 x 11 cm.

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1986
  • Keokuk County, IA DOQ, digital orthophoto quadrangle data : US GEODATA / Catalog Record

    Keokuk County, IA DOQ, digital orthophoto quadrangle data : U...

    System requirements: An 80386 IBM compatible computer with MS-DOS version 3.1 or later, and 640K of RAM, and a CD-ROM reader using Microsoft Extensions, version 2.0 or later. Relief shown by contours and spot heights. Title from disc label. JPEG compressed data image files. Shipping list no.: 96-0016-E. "Mastered 10/95." "Monochrome 1-meter pixels"--Container insert. "ISO 9660." "FIPS code 19107." 1 computer laser optical disc ...

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1995
  • Bremer County, Iowa : 1:100 000-scale topographic map / Catalog Record

    Bremer County, Iowa : 1:100 000-scale topographic map /

    Relief shown by contours and spot heights. "Compiled from USGS 1:24 000-scale topographic maps dated 1963-1972 ... Planimetry revised from aerial photographs taken 1983 ... Map edited 1985." Alternate title: Bremer Co., Iowa. Includes location map/sheet index, index to topographic maps, location map, and meters/feet conversion table. "42092-F4-CF-100." 1 map : col. ; 34 x 43 cm., folded to 21 x 11 cm.

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1985
  • State of Iowa: Base map. Catalog Record

    State of Iowa: Base map.

    col. map 75 x 112 cm.

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1966
  • Clayton County, Iowa : 1:100 000-scale topographic map / Catalog Record

    Clayton County, Iowa : 1:100 000-scale topographic map /

    Relief shown by contours and spot heights. "Compiled from USGS 1:24 000-scale topographic maps dated 1955-1983 ... Planimetry revised from aerial photographs taken 1983 ... Map edited 1985." Alternate title: Clayton Co., Iowa. Includes location map/sheet index, index to topographic maps, location map, and meters/feet conversion table. "42091-G4-CF-100." 1 map : col. ; 54 x 62 cm., folded to 21 x 11 cm.

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1986
  • Clay County, IA DOQ, digital orthophoto quadrangle data : US GEODATA / Catalog Record

    Clay County, IA DOQ, digital orthophoto quadrangle data : US ...

    System requirements: An 80386 IBM compatible computer with MS-DOS version 3.1 or later, and 640K of RAM, and a CD-ROM reader using Microsoft Extensions, version 2.0 or later. Relief shown by contours and spot heights. Title from disc label. JPEG compressed data image files. Shipping list no.: 96-0016-E. "Mastered 10/95." "Monochrome 1-meter pixels"--Container insert. "ISO 9660." "FIPS code 19041." 1 computer laser optical disc ...

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1995
  • Muscatine County, Iowa : 1:100 000-scale topographic map / Catalog Record

    Muscatine County, Iowa : 1:100 000-scale topographic map /

    Relief shown by contours and spot heights. "Compiled from USGS 1:24 000-scale topographic maps dated 1953-1980 ... Planimetry revised from aerial photographs taken 1983 ... Map edited 1986." Alternate title: Muscatine Co., Iowa. Includes location map/sheet index, index to topographic maps, location map, and meters/feet conversion table. "41091-E1-CF-100." 1 map : col. ; 34 x 52 cm., folded to 21 x 11 cm.

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1986
  • Transportation map of Iowa. Catalog Record

    Transportation map of Iowa.

    Scale ca. 1:1,077,120; 1 in. represents approx. 17 miles. Shows trackage rights, principal stations, distances between rail intersections, major U.S., Interstate, and State highways, and navigable waterways. Includes "Index to railroads." col. map on sheet 44 x 56 cm.

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1975
  • Boone County, Iowa : 1:100 000-scale topographic map / Catalog Record

    Boone County, Iowa : 1:100 000-scale topographic map /

    Relief shown by contours and spot heights. "Compiled from USGS 1:24 000-scale topographic maps dated 1965-1982 ... Planimetry revised from aerial photographs taken 1983 ... Map edited 1985." Alternate title: Boone Co., Iowa. Includes location map/sheet index, index to topographic maps, location map, and meters/feet conversion table. "42093-A8-CF-100." 1 map : col. ; 43 x 42 cm., folded to 25 x 11 cm.

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1985
  • Davis County, Iowa : 1:100 000-scale topographic map / Catalog Record

    Davis County, Iowa : 1:100 000-scale topographic map /

    Relief shown by contours and spot heights. "Compiled from USGS 1:24 000-scale topographic maps dated 1956-1980 ... Planimetry revised from aerial photographs taken 1978 ... Map edited 1986." Alternate title: Davis Co., Iowa. Includes location map/sheet index, index to topographic maps, location map, and meters/feet conversion table. "40092-G4-CF-100." 1 map : col. ; 37 x 44 cm., folded to 23 x 11 cm.

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1986
  • Clay County, Iowa : 1:100 000-scale topographic map / Catalog Record

    Clay County, Iowa : 1:100 000-scale topographic map /

    Relief shown by contours and spot heights. "Compiled from USGS 1:24 000-scale topographic maps dated 1966-1982 ... Planimetry revised from aerial photographs taken 1980, 1984 ... Map edited 1986." Alternate title: Clay Co., Iowa. Includes location map/sheet index, index to topographic maps, location map, and meters/feet conversion table. "43095-B2-CF-100." 1 map : col. ; 41 x 41 cm., folded to 25 x 11 cm.

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1986
  • Sioux County, Iowa : 1:100 000-scale topographic map / Catalog Record

    Sioux County, Iowa : 1:100 000-scale topographic map /

    Relief shown by contours and spot heights. "Compiled from USGS 1:24 000-scale topographic maps dated 1962-1986 ... Planimetry revised from aerial photographs taken 1980-1984 ... Map edited 1986." Alternate title: Sioux Co., Iowa. Includes location map/sheet index, index to topographic maps, location map, and meters/feet conversion table. "43096-A1-CF-100." 1 map : col. ; 43 x 60 cm., folded to 26 x 11 cm.

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1987
  • Franklin County, Iowa : 1:100 000-scale topographic map / Catalog Record

    Franklin County, Iowa : 1:100 000-scale topographic map /

    Relief shown by contours and spot heights. "Compiled from USGS 1:24 000-scale topographic maps dated 1972-1979 ... Planimetry revised from aerial photographs taken 1978-1983 ... Map edited 1986." Alternate title: Franklin Co., Iowa. Includes location map/sheet index, index to topographic maps, location map, and meters/feet conversion table. "42093-F2-CF-100." 1 map : col. ; 41 x 42 cm., folded to 24 x 11 cm.

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1987
  • Butler County, Iowa : 1:100 000-scale topographic map / Catalog Record

    Butler County, Iowa : 1:100 000-scale topographic map /

    Relief shown by contours and spot heights. "Compiled from USGS 1:24 000-scale topographic maps dated 1971-1980 ... Planimetry revised from aerial photographs taken 1983 ... Map edited 1986." Alternate title: Butler Co., Iowa. Includes location map/sheet index, index to topographic maps, location map, and meters/feet conversion table. "42092-G7-CF-100." 1 map : col. ; 42 x 42 cm., folded to 25 x 12 cm.

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1986
  • Van Buren County, Iowa : 1:100 000-scale topographic map / Catalog Record

    Van Buren County, Iowa : 1:100 000-scale topographic map /

    Relief shown by contours and spot heights. "Compiled from USGS 1:24 000-scale topographic maps dated 1965-1982 ... Planimetry revised from aerial photographs taken 1978-84 ... Map edited 1987." Alternate title: Van Buren Co., Iowa. Includes location map/sheet index, index to topographic maps, location map, and meters/feet conversion table. "40091-F8-CF-100." 1 map : col. ; 37 x 43 cm., folded to 23 x 11 cm.

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1987
  • Kossuth County, Iowa : 1:100 000-scale topographic map / Catalog Record

    Kossuth County, Iowa : 1:100 000-scale topographic map /

    Relief shown by contours and spot heights. "Compiled from USGS 1:24 000-scale topographic maps dated 1972-1980 ... Planimetry revised from aerial photographs taken 1973-1983 ... Map edited 1987." Alternate title: Kossuth Co., Iowa. Includes location map/sheet index, index to topographic maps, location map, and meters/feet conversion table. "43094-A2-CF-100." 1 map : col. ; 69 x 41 cm., folded to 21 x 11 cm.

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1987
  • Transportation map of Iowa. Catalog Record

    Transportation map of Iowa.

    Scale ca. 1:1,077,120; 1 in. represents approx. 17 miles. Shows transportation zones, trackage rights, principal stations, distances between rail intersections, major U.S., Interstate, and State highways, and navigable waterways. Includes "Index to railroads." col. map on sheet 44 x 56 cm.

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1975
  • Cedar County, Iowa : 1:100 000-scale topographic map / Catalog Record

    Cedar County, Iowa : 1:100 000-scale topographic map /

    Relief shown by contours and spot heights. "Compiled from USGS 1:24 000-scale topographic maps dated 1953-1980 ... Planimetry revised from aerial photographs taken 1983 ... Map edited 1985." Alternate title: Cedar Co., Iowa. Includes location map/sheet index, index to topographic maps, location map, and meters/feet conversion table. "41091-G2-CF-100." 1 map : col. ; 43 x 42 cm., folded to 25 x 11 cm.

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1985
  • Union County, Iowa : 1:100 000-scale topographic map / Catalog Record

    Union County, Iowa : 1:100 000-scale topographic map /

    Relief shown by contours and spot heights. "Compiled from USGS 1:24 000-scale topographic maps dated 1980-1983 ... Planimetry revised from aerial photographs taken 1983-84 ... Map edited 1987." Alternate title: Union Co., Iowa. Includes location map/sheet index, index to topographic maps, location map, and meters/feet conversion table. "41094-A3-CF-100." 1 map : col. ; 34 x 43 cm., folded to 21 x 11 cm.

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1987
  • Calhoun County, Iowa : 1:100 000-scale topographic map / Catalog Record

    Calhoun County, Iowa : 1:100 000-scale topographic map /

    Relief shown by contours and spot heights. "Compiled from USGS 1:24 000-scale topographic maps dated 1965-1985 ... Planimetry revised from aerial photographs taken 1978-1983 ... Map edited 1986." Alternate title: Calhoun Co., Iowa. Includes location map/sheet index, index to topographic maps, location map, and meters/feet conversion table. "42094-D6-CF-100." 1 map : col. ; 41 x 47 cm., folded to 24 x 11 cm.

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1987
  • Emmet County, Iowa : 1:100 000-scale topographic map / Catalog Record

    Emmet County, Iowa : 1:100 000-scale topographic map /

    Relief shown by contours and spot heights. "Compiled from USGS 1:24 000-scale topographic maps dated 1972-1980 ... Planimetry revised from aerial photographs taken 1973-1980 ... Map edited 1987." Alternate title: Emmet Co., Iowa. Includes location map/sheet index, index to topographic maps, location map, and meters/feet conversion table. "43094-D7-CF-100." 1 map : col. ; 32 x 42 cm., folded to 21 x 11 cm.

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1987
  • Water-resources investigations in Iowa, 1978 / Catalog Record

    Water-resources investigations in Iowa, 1978 /

    Panel title. Includes text and tables. Includes bibliographies. Hydrologic-data station activities and investigations in progress in Iowa, as of March 1978 -- Flood-prone area maps completed in Iowa -- Average annual runoff, in inches -- Normal annual precipitation, in inches, 1941-70 -- Average discharge of the principal rivers -- Availability of ground water -- Surface water conductance -- Areas where water with the minimum ...

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1979
  • Floyd County, Iowa : 1:100 000-scale topographic map / Catalog Record

    Floyd County, Iowa : 1:100 000-scale topographic map /

    Relief shown by contours and spot heights. "Compiled from USGS 1:24 000-scale topographic maps dated 1959-1972 ... Planimetry revised from aerial photographs taken 1982-1984 ... Map edited 1987." Alternate title: Floyd Co., Iowa. Includes location map/sheet index, index to topographic maps, location map, and meters/feet conversion table. "43092-A6-CF-100." 1 map : col. ; 37 x 40 cm., folded to 23 x 11 cm.

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1987
  • Madison County, Iowa : 1:100 000-scale topographic map / Catalog Record

    Madison County, Iowa : 1:100 000-scale topographic map /

    Relief shown by contours and spot heights. "Compiled from USGS 1:24 000-scale topographic maps dated 1965-1983 ... Planimetry revised from aerial photographs taken 1983-84 ... Map edited 1986." Alternate title: Madison Co., Iowa. Includes location map/sheet index, index to topographic maps, location map, and meters/feet conversion table. "41094-C1-CF-100." 1 map : col. ; 41 x 40 cm., folded to 24 x 11 cm.

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1986
  • Black Hawk County, Iowa : 1:100 000-scale topographic map / Catalog Record

    Black Hawk County, Iowa : 1:100 000-scale topographic map /

    Relief shown by contours and spot heights. "Compiled from USGS 1:24 000-scale topographic maps dated 1963-1980 ... Planimetry revised from aerial photographs taken 1983 ... Map edited 1984." Alternate title: Black Hawk Co., Iowa. Includes location map/sheet index, index to topographic maps, location map, and meters/feet conversion table. "42092-D3-CM-100." 1 map : col. ; 43 x 46 cm., folded to 24 x 11 cm.

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1984
  • State of Iowa. Base map. Catalog Record

    State of Iowa. Base map.

    col. map 74 x 112 cm.

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1950
  • Carroll County, IA DOQ, digital orthophoto quadrangle data : US GEODATA / Catalog Record

    Carroll County, IA DOQ, digital orthophoto quadrangle data : ...

    System requirements: An 80386 IBM compatible computer with MS-DOS version 3.1 or later, and 640K of RAM, and a CD-ROM reader using Microsoft Extensions, version 2.0 or later. Relief shown by contours and spot heights. Title from disc label. JPEG compressed data image files. Shipping list no.: 95-0026-E. "Mastered 4/95." "Monochrome 1-meter pixels"--Container insert. "ISO 9660." "FIPS code 19027." 1 computer laser optical disc ...

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1995
  • Mills County, Iowa : 1:100 000-scale topographic map / Catalog Record

    Mills County, Iowa : 1:100 000-scale topographic map /

    Relief shown by contours and spot heights. "Compiled from USGS 1:24 000-scale topographic maps dated 1956-1984 ... Planimetry revised from aerial photographs taken 1982 ... Map edited 1985." Alternate title: Mills Co., Iowa. Includes location map/sheet index, index to topographic maps, location map, and meters/feet conversion table. "41095-A6-CF-100." 1 map : col. ; 34 x 45 cm., folded to 21 x 11 cm.

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1986
  • Shelby County, Iowa : 1:100 000-scale topographic map / Catalog Record

    Shelby County, Iowa : 1:100 000-scale topographic map /

    Relief shown by contours and spot heights. "Compiled from USGS 1:24 000-scale topographic maps dated 1971-1978 ... Planimetry revised from aerial photographs taken 1982 ... Map edited 1984." Alternate title: Shelby Co., Iowa. Includes location map/sheet index, index to topographic maps, location map, and meters/feet conversion table. "41095-F3-CM-100." 1 map : col. ; 45 x 46 cm., folded to 26 x 11 cm.

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1984
  • Fayette County, Iowa : 1:100 000-scale topographic map / Catalog Record

    Fayette County, Iowa : 1:100 000-scale topographic map /

    Relief shown by contours and spot heights. "Compiled from USGS 1:24 000-scale topographic maps dated 1965-1981 ... Planimetry revised from aerial photographs taken 1983-84 ... Map edited 1986." Alternate title: Fayette Co., Iowa. Includes location map/sheet index, index to topographic maps, location map, and meters/feet conversion table. "42091-G7-CF-100." 1 map : col. ; 54 x 43 cm., folded to 21 x 11 cm.

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1986
  • Lyon County, Iowa : 1:100 000-scale topographic map / Catalog Record

    Lyon County, Iowa : 1:100 000-scale topographic map /

    Relief shown by contours and spot heights. "Compiled from USGS 1:24 000-scale topographic maps dated 1962-1976 ... Planimetry revised from aerial photographs taken 1980-1984 ... Map edited 1987." Alternate title: Lyon Co., Iowa. Includes location map/sheet index, index to topographic maps, location map, and meters/feet conversion table. "43096-D2-CF-100." 1 map : col. ; 30 x 63 cm., folded to 21 x 11 cm.

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1987
  • Montgomery County, Iowa : 1:100 000-scale topographic map / Catalog Record

    Montgomery County, Iowa : 1:100 000-scale topographic map /

    Relief shown by contours and spot heights. "Compiled from USGS 1:24 000-scale topographic maps dated 1978-1980 ... Planimetry revised from aerial photographs taken 1982-1984 ... Map edited 1986." Alternate title: Montgomery Co., Iowa. Includes location map/sheet index, index to topographic maps, location map, and meters/feet conversion table. "41095-A2-CF-100." 1 map : col. ; 34 x 41 cm., folded to 21 x 11 cm.

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1987
  • Warren County, Iowa : 1:100 000-scale topographic map / Catalog Record

    Warren County, Iowa : 1:100 000-scale topographic map /

    Relief shown by contours and spot heights. "Compiled from USGS 1:24 000-scale topographic maps dated 1956-1983 ... Planimetry revised from aerial photographs taken 1978 ... Map edited 1985." Alternate title: Warren Co., Iowa. Includes location map/sheet index, index to topographic maps, location map, and meters/feet conversion table. "41093-C5-CF-100." 1 map : col. ; 43 x 44 cm., folded to 26 x 10 cm.

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1985
  • O'Brien County, Iowa : 1:100 000-scale topographic map / Catalog Record

    O'Brien County, Iowa : 1:100 000-scale topographic map /

    Relief shown by contours and spot heights. "Compiled from USGS 1:24 000-scale topographic maps dated 1964-1972 ... Planimetry revised from aerial photographs taken 1980 and 1983 ... Map edited 1986." Alternate title: O'Brien Co., Iowa. Includes location map/sheet index, index to topographic maps, location map, and meters/feet conversion table. "43095-A6-CF-100." 1 map : col. ; 45 x 43 cm., folded to 26 x 11 ...

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1987
  • Benton County, Iowa : 1:100 000-scale topographic map / Catalog Record

    Benton County, Iowa : 1:100 000-scale topographic map /

    Relief shown by contours and spot heights. "Compiled from USGS 1:24 000-scale topographic maps dated 1963-1982 ... Planimetry revised from aerial photographs taken 1983 ... Map edited 1985." Alternate title: Benton Co., Iowa. Includes location map/sheet index, index to topographic maps, location map, and meters/feet conversion table. "42092-B1-CF-100." 1 map : col. ; 52 x 42 cm., folded to 21 x 11 cm.

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1986
  • State of Iowa / Catalog Record

    State of Iowa /

    "Compiled in 1965." "41093-E5-ST-500." Stamped: Geography and Map Division, Library of Congress, Hammond Collection-2003. DLC 1 map : col. ; 73 x 110 cm.

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1984
  • Cherokee County, Iowa : 1:100 000-scale topographic map / Catalog Record

    Cherokee County, Iowa : 1:100 000-scale topographic map /

    Relief shown by contours and spot heights. "Compiled from USGS 1:24 000-scale topographic maps dated 1969-1971 ... Planimetry revised from aerial photographs taken 1983 ... Map edited 1986." Alternate title: Cherokee Co., Iowa. Includes location map/sheet index, index to topographic maps, location map, and meters/feet conversion table. "42095-G5-CF-100." 1 map : col. ; 45 x 43 cm., folded to 26 x 11 cm.

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1986
  • Scott County, Iowa : 1:100 000-scale topographic map / Catalog Record

    Scott County, Iowa : 1:100 000-scale topographic map /

    Relief shown by contours and spot heights. "Compiled from USGS 1:24 000-scale topographic maps dated 1953-1976 ... Planimetry revised from aerial photographs taken 1978 and 1983 ... Map edited 1985." Alternate title: Scott Co., Iowa. Includes location map/sheet index, index to topographic maps, location map, and meters/feet conversion table. "41090-E5-CF-100." 1 map : col. ; 39 x 52 cm., folded to 24 x 11 ...

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1986
  • Lucas County, Iowa : 1:100 000-scale topographic map / Catalog Record

    Lucas County, Iowa : 1:100 000-scale topographic map /

    Relief shown by contours and spot heights. "Compiled from USGS 1:24 000-scale topographic maps dated 1965-1983 ... Planimetry revised from aerial photographs taken 1978 ... Map edited 1985." Alternate title: Lucas Co., Iowa. Includes location map/sheet index, index to topographic maps, location map, and meters/feet conversion table. "41093-A3-CF-100." 1 map : col. ; 34 x 44 cm., folded to 21 x 11 cm.

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1985
  • Wapello County, Iowa : 1:100 000-scale topographic map / Catalog Record

    Wapello County, Iowa : 1:100 000-scale topographic map /

    Relief shown by contours and spot heights. "Compiled from USGS 1:24 000-scale topographic maps dated 1956-1980 ... Planimetry revised from aerial photographs taken 1978 ... Map edited 1986." Alternate title: Wapello Co., Iowa. Includes location map/sheet index, index to topographic maps, location map, and meters/feet conversion table. "41092-A4-CF-100." 1 map : col. ; 34 x 44 cm., folded to 21 x 11 cm.

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1986
  • Van Buren County, IA DOQ, digital orthophoto quadrangle data : FIPS code 19177 : US GEODATA / Catalog Record

    Van Buren County, IA DOQ, digital orthophoto quadrangle data ...

    System requirements: An 80386 IBM compatible computer with MS-DOS version 3.1 or later, and 640K of RAM, and a CD-ROM reader using Microsoft Extensions, version 2.0 or later. Relief shown by contours and spot heights. Title from disc label. Shipping list no.: 95[i.e.]94-0042-E. "Mastered 8/94." "Monochrome 1-meter pixels"--Container insert. "ISO 9660, JPEG compressed data." 1 computer laser optical disc ; 4 3/4 in.

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1994
  • Marshall County, Iowa : 1:100 000-scale topographic map / Catalog Record

    Marshall County, Iowa : 1:100 000-scale topographic map /

    Relief shown by contours and spot heights. "Compiled from USGS 1:24 000-scale topographic maps dated 1960-1980 ... Planimetry revised from aerial photographs taken 1983 ... Map edited 1985." Alternate title: Marshall Co., Iowa. Includes location map/sheet index, index to topographic maps, location map, and meters/feet conversion table. "42092-A8-CF-100." 1 map : col. ; 43 x 42 cm., folded to 25 x 10 cm.

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1985
  • Cass County, Iowa : 1:100 000-scale topographic map / Catalog Record

    Cass County, Iowa : 1:100 000-scale topographic map /

    Relief shown by contours and spot heights. "Compiled from USGS 1:24 000-scale topographic maps dated 1971-1983 ... Planimetry revised from aerial photographs taken 1982-83 ... Map edited 1987." Alternate title: Cass Co., Iowa. Includes location map/sheet index, index to topographic maps, location map, and meters/feet conversion table. "41095-D1-CF-100." 1 map : col. ; 41 x 42 cm., folded to 24 x 11 cm.

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1987
  • Grundy County, Iowa : 1:100 000-scale topographic map / Catalog Record

    Grundy County, Iowa : 1:100 000-scale topographic map /

    Relief shown by contours and spot heights. "Compiled from USGS 1:24 000-scale topographic maps dated 1960-1980 ... Planimetry revised from aerial photographs taken 1978 and 1983-84 ... Map edited 1985." Alternate title: Grundy Co., Iowa. Includes location map/sheet index, index to topographic maps, location map, and meters/feet conversion table. "42092-C7-CF-100." 1 map : col. ; 45 x 46 cm., folded to 26 x 11 ...

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1986
  • Osceola County, Iowa : 1:100 000-scale topographic map / Catalog Record

    Osceola County, Iowa : 1:100 000-scale topographic map /

    Relief shown by contours and spot heights. "Compiled from USGS 1:24 000-scale topographic maps dated 1970-1972 ... Planimetry revised from aerial photographs taken 1980 ... Map edited 1986." Alternate title: Osceola Co., Iowa. Includes location map/sheet index, index to topographic maps, location map, and meters/feet conversion table. "43095-D6-CF-100." 1 map : col. ; 32 x 42 cm., folded to 21 x 11 cm.

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1986
  • Wayne County, Iowa : 1:100 000-scale topographic map / Catalog Record

    Wayne County, Iowa : 1:100 000-scale topographic map /

    Relief shown by contours and spot heights. "Compiled from USGS 1:24 000-scale topographic maps dated 1964-1982 ... Planimetry revised from aerial photographs taken 1983 ... Map edited 1985." Alternate title: Wayne Co., Iowa. Includes location map/sheet index, index to topographic maps, location map, and meters/feet conversion table. "40093-G3-CF-100." 1 map : col. ; 39 x 42 cm., folded to 23 x 10 cm.

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1986