• Catalog Record

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

    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
  • Catalog Record

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

    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
  • Catalog Record

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

    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
  • Catalog Record

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

    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
  • Catalog Record

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

    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
  • Catalog Record

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

    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
  • Catalog Record

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

    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
  • Catalog Record

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

    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
  • Catalog Record

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

    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
  • Catalog Record

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

    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
  • Catalog Record

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

    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
  • Catalog Record

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

    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
  • Catalog Record

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

    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
  • Catalog Record

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

    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
  • Catalog Record

    Pottawattamie County, IA DOQ, digital orthophoto quadrangle data / Catalog Record Only

    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
  • Catalog Record

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

    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
  • Catalog Record

    Sioux Falls, SD and Rock Rapids, IA Sioux Falls, SD : 43096, DRG, digital raster graphic data / Catalog Record Only

    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
  • Catalog Record

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

    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
  • Catalog Record

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

    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
  • Catalog Record

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

    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
  • Catalog Record

    Linn County, IA DOQ, digital orthophoto quadrangle data : US GEODATA / Catalog Record Only

    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
  • Catalog Record

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

    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
  • Catalog Record

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

    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
  • Catalog Record

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

    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
  • Catalog Record

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

    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