↓ Refine your search

Results

  • Catalog Record

    Calhoun 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 1965-1985 ... Planimetry revised from aerial photographs taken 1978-1983 ... Map edited 1986." Alternate title: Calhoun Co., ...

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

    Poweshiek 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 1968-1980 ... Planimetry revised from aerial photographs taken 1983 ... Map edited 1985." Alternate title: Poweshiek Co., ...

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

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

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

    Jefferson 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 1965-1980 ... Planimetry revised from aerial photographs taken 1978-1984 ... Map edited 1985." Alternate title: Jefferson Co., ...

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

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1996
  • 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

    Shelby 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 1971-1978 ... Planimetry revised from aerial photographs taken 1982 ... Map edited 1984." Alternate title: Shelby Co., ...

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

    Louisa 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: Louisa Co., ...

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

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

    Keokuk 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 1965-1980 ... Planimetry revised from aerial photographs taken 1978 ... Map edited 1986." Alternate title: Keokuk Co., ...

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

    Sac 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 1967-1980 ... Planimetry revised from aerial photographs taken 1980 ... Map edited 1987." Alternate title: Sac Co., ...

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

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

    Jones 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 1965-1980 ... Planimetry revised from aerial photographs taken 1983 ... Map edited 1986." Alternate title: Jones Co., ...

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

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

    col. map 75 x 112 cm.

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1966
  • 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., ...

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

    Mills 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: Mills Co., ...

    • 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

    Emmet 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 1973-1980 ... Map edited 1987." Alternate title: Emmet Co., ...

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

    Transportation map of Iowa. Catalog Record Only

    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. ...

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1975