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  • Map

    State of Iowa / Catalog Record Only

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

    • Contributor: Geological Survey (u.s.)
    • Date: 1966
  • Map

    Hydrologic unit map--1974, State of Iowa. Catalog Record Only

    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.)
    • Date: 1976
  • Map

    State of Iowa : base map with highways / Catalog Record Only

    • Contributor: Geological Survey (u.s.)
    • Date: 1950
  • Map

    State of Iowa : base map with highways and contours / Catalog Record Only

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

    • Contributor: Geological Survey (u.s.)
    • Date: 1966
  • Map

    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." AACR2

    • Contributor: Geological Survey (u.s.)
    • Date: 1975
  • Map

    Water-resources investigations in Iowa, 1978 / Catalog Record Only

    Panel title. Includes text and tables. Includes bibliographies.

    • Contributor: Geological Survey (u.s.)
    • Date: 1979
  • Map

    State of Iowa / Catalog Record Only

    "Compiled in 1965." "41093-E5-ST-500." Stamped: Geography and Map Division, Library of Congress, Hammond Collection-2003.

    • Contributor: Geological Survey (u.s.)
    • Date: 1984
  • Map

    Transportation map of Iowa. Catalog Record Only

    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.)
    • Date: 1975
  • Map

    Galena-Elizabeth folio, Illinois-Iowa / Catalog Record Only

    Cover title.

    • Contributor: Shaw, E. W. (eugene Wesley) - Trowbridge, Arthur C. (arthur Carleton) - Geological Survey (u.s.)
    • Date: 1916
  • Map

    State of Iowa : base map / Catalog Record Only

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

    • Contributor: Geological Survey (u.s.)
    • Date: 1950
  • Map

    Geologic map index of Iowa / Catalog Record Only

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

    • Contributor: Geological Survey (u.s.)
    • Date: 1948