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Results: 1-100 of 114

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

    Adair 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 1983 ... Map edited 1986." Alternate title: Adair Co., Iowa. Includes location map/sheet index, index to topographic maps, location map, and meters/feet conversion table. "41094-C4-CF-100."

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

    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."

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

    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." ARP

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

    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." ARP

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

    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." ARP

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

    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. FFD. 8 coded a temporarily.

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

    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." ARP

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

    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." ARP

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

    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." ARP

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

    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." AACR2

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

    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." ARP

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

    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." ARP

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

    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." ARP

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

    Taylor 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 1984 ... Map edited 1987." Alternate title: Taylor Co., Iowa. Includes location map/sheet index, index to topographic maps, location map, and meters/feet conversion table. "40094-F6-CF-100."

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1987
  • State of Iowa /

    State of Iowa /

    Relief shown by contour. Contour interval 200 ft. "Compiled in 1965." "1927 North American datum."

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

    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." ARP

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1986
  • Sioux Falls, SD and Rock Rapids, IA Sioux Falls, SD : 43096, DRG, digital raster graphic data /

    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
  • State of Iowa : base map with highways /

    State of Iowa : base map with highways /

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1950
  • Scott County, Iowa : 1:100 000-scale topographic map /

    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."

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

    Plymouth 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 1983 ... Map edited 1985." Alternate title: Plymouth Co., Iowa. Includes location map/sheet index, index to topographic maps, location map, and meters/feet conversion table. "42096-G2-CF-100."

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

    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." ARP

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

    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." ARP

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

    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." ARP

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

    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." ARP

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

    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." ARP

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

    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."

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

    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." ARP

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

    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."

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

    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." ARP

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

    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." ARP

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

    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." ARP

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1985
  • Transportation map of Iowa.

    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." AACR2

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

    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."

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

    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." ARP

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

    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." ARP

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

    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." ARP

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

    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." ARP

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

    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." ARP

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

    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."

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

    Louisa 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: Louisa Co., Iowa. Includes location map/sheet index, index to topographic maps, location map, and meters/feet conversion table. "41091-B2-CF-100." ARP

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

    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." ARP

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

    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." ARP

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

    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." ARP

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1986
  • Galena-Elizabeth folio, Illinois-Iowa /

    Galena-Elizabeth folio, Illinois-Iowa /

    Cover title.

    • Contributor: Shaw, E. W. (Eugene Wesley) - Trowbridge, Arthur C. (Arthur Carleton) - Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1916
  • Sioux County, Iowa : 1:100 000-scale topographic map /

    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."

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

    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."

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

    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." ARP

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

    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." ARP

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

    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." ARP

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

    State of Iowa : base map /

    Base map showing drainage, counties, settlements, railroads, etc.

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1950
  • Woodbury County, Iowa : 1:100 000-scale topographic map /

    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."

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

    Cerro Gordo 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 1985." Alternate title: Cerro Gordo Co., Iowa. Includes location map/sheet index, index to topographic maps, location map, and meters/feet conversion table. "43093-B2-CF-100." ARP

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1986
  • Geologic map index of Iowa /

    Geologic map index of Iowa /

    "Key to Index map" (bibliography of 103 maps) in margin.

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1948
  • Boone County, Iowa : 1:100 000-scale topographic map /

    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." ARP

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

    Palo Alto 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: Palo Alto Co., Iowa. Includes location map/sheet index, index to topographic maps, location map, and meters/feet conversion table. "43094-A6-CF-100."

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1986
  • State of Iowa : base map with highways and contours /

    State of Iowa : base map with highways and contours /

    Relief shown by contour. Contour interval 200 ft. "Compiled in 1965." "1927 North American datum."

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

    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." ARP

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

    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." ARP

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

    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." FFD. 8 coded a temporarily. ...

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

    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."

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

    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." ARP

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

    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."

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

    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." ARP

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

    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." ARP

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

    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." FFD. 8 coded a temporarily. ...

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

    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." ARP

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

    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." ARP

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

    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." FFD. 8 coded a temporarily. ...

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

    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." ARP

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

    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." ARP

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

    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."

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

    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. AACR2

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

    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." ARP

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

    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."

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

    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."

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

    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." ARP

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

    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." ARP

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

    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." ARP

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

    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." ARP

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

    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." ARP

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1986
  • Polk County, IA DOQ, digital orthophoto quadrangle data : FIPS code 19153 : US GEODATA /

    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." FFD. 8 coded a temporarily. 2 copies

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

    Mahaska 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 ... Map edited 1986." Alternate title: Mahaska Co., Iowa. Includes location map/sheet index, index to topographic maps, location map, and meters/feet conversion table. "41092-C6-CF-100." ARP

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

    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." ARP

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

    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." ARP

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

    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." ARP

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

    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."

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

    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." ARP

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

    Marion 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 ... Map edited 1985." Alternate title: Marion Co., Iowa. Includes location map/sheet index, index to topographic maps, location map, and meters/feet conversion table. "41093-C1-CF-100." ARP

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

    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." FFD 8 coded a temporarily. ...

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

    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."

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

    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." ARP

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

    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."

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

    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." ARP

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

    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."

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

    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." ARP

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

    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." ARP

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

    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."

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

    Hancock 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 1973-83 ... Map edited 1987." Alternate title: Hancock Co., Iowa. Includes location map/sheet index, index to topographic maps, location map, and meters/feet conversion table. "43093-A5-CF-100." ARP

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

    Water-resources investigations in Iowa, 1978 /

    Panel title. Includes text and tables. Includes bibliographies.

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

    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." ARP

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1987