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  • Catalog Record

    Mitchell 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 1959-1972 ... Planimetry revised from aerial photographs taken 1978-1983 ... Map edited 1987." Alternate title: Mitchell Co., ...

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

    Humboldt 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 ...

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1995
  • Catalog Record

    Muscatine 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 1953-1980 ... Planimetry revised from aerial photographs taken 1983 ... Map edited 1986." Alternate title: Muscatine Co., ...

    • 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 ...

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

    Allamakee 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 1965-1983 ... Planimetry revised from aerial photographs taken 1983 ... Map edited 1985." Alternate title: Allamakee Co., ...

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1985
  • Catalog Record

    Union 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 1980-1983 ... Planimetry revised from aerial photographs taken 1983-84 ... Map edited 1987." Alternate title: Union Co., ...

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

    Wayne 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 1964-1982 ... Planimetry revised from aerial photographs taken 1983 ... Map edited 1985." Alternate title: Wayne Co., ...

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

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1984
  • Catalog Record

    Clay 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 1966-1982 ... Planimetry revised from aerial photographs taken 1980, 1984 ... Map edited 1986." Alternate title: Clay ...

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

    State of Iowa. Base map with highways. Catalog Record Only

    col. map 74 x 112 cm.

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1950
  • Catalog Record

    Bremer 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 1963-1972 ... Planimetry revised from aerial photographs taken 1983 ... Map edited 1985." Alternate title: Bremer Co., ...

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1985
  • Catalog Record

    Johnson 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 1965-1975 ... Planimetry revised from aerial photographs taken 1983 ... Map edited 1985." Alternate title: Johnson Co., ...

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1985
  • Catalog Record

    Worth 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 1987." Alternate title: Worth Co., ...

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

    Marshall 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 1985." Alternate title: Marshall Co., ...

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1985
  • 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., ...

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

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1985
  • Catalog Record

    Clay 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 ...

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1995
  • Catalog Record

    Adams 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 1980-1981 ... Planimetry revised from aerial photographs taken 1983 ... Map edited 1986." Alternate title: Adams Co., ...

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

    Franklin 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 1972-1979 ... Planimetry revised from aerial photographs taken 1978-1983 ... Map edited 1986." Alternate title: Franklin Co., ...

    • 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., ...

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