Search Maps

  • Map
    Hydrologic unit map--1974, State of Maine. 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 1974." Base map "Compiled in 1958. Edition of 1960." Includes text and table of hydrologic units. Available also through the Library of Congress Web site as a raster image. AACR2
    • Contributor: Geological Survey (U.S.) - Water Resources Council (U.S.)
    • Date: 1974
  • Map
    Hydrologic unit map--1974, States of New Hampshire and Vermont. Scale 1:500,000; 1 in. equals approx. 8 miles. Relief shown by spot heights. "Lambert conformal conic projection standard parallels 33⁰ and 45⁰." "Base map drainage modified in 1974." Base map "Compiled in 1950. Edition of 1951. Reprinted 1961." Includes text and table of hydrologic units. Available also through the Library of Congress Web site as a raster image. AACR2
    • Contributor: Geological Survey (U.S.) - Water Resources Council (U.S.)
    • Date: 1974
  • Map
    Water-resources investigations in Connecticut, 1978 Panel title. Filing title at upper right of title panel: Connecticut, 1978. Includes text, notes, and statistical tables. Bibliography. "W79081." Available also through the Library of Congress Web site as a raster image.
    • Contributor: Geological Survey (U.S.) - Connecticut. Department of Environmental Protection
    • Date: 1978
  • Map
    Water-resources investigations in Maine, 1978 Panel title. Includes text and tables. Includes bibliographies. Available also through the Library of Congress Web site as a raster image.
    • Contributor: Geological Survey (U.S.) - Maine. Public Utilities Commission
    • Date: 1978
  • Map
    Water-resources investigations in Massachusetts, 1977 Panel title. Includes text and tables. Includes bibliographies. Available also through the Library of Congress Web site as a raster image.
    • Contributor: Geological Survey (U.S.) - Massachusetts. Water Resources Commission
    • Date: 1977
  • Map
    Water-resources investigations in New Jersey, 1977 Panel title. Includes text and tables. Includes bibliographies. Available also through the Library of Congress Web site as a raster image.
    • Contributor: Geological Survey (U.S.) - New Jersey. Department of Environmental Protection
    • Date: 1977
  • Map
    Water-resources investigations in New Hampshire, 1977 Panel title. Includes text and tables. Includes bibliographies. Available also through the Library of Congress Web site as a raster image.
    • Contributor: Geological Survey (U.S.) - New Hampshire Water Resources Board
    • Date: 1977
  • Map
    Hydrologic unit map--1974, State of New Jersey. Scale 1:500,000; 1 in. equals approx. 8 miles. Relief shown by spot heights. "Lambert conformal conic projection standard parallels 33⁰ and 45⁰." Base map "Compiled in 1948. Edition of 1950." Includes text and table of hydrologic units. Available also through the Library of Congress Web site as a raster image. AACR2
    • Contributor: Geological Survey (U.S.) - Water Resources Council (U.S.)
    • Date: 1974
  • Map
    Water-resources investigations in New York, 1977 Relief shown by spot heights on some maps. Panel title. Includes text, notes, and statistical tables. Bibliography. "W78591." Available also through the Library of Congress Web site as a raster image.
    • Contributor: Geological Survey (U.S.)
    • Date: 1977
  • Map
    Water-resources investigations in Vermont, 1977 Panel title. Includes text and tables. Includes bibliographies. Available also through the Library of Congress Web site as a raster image.
    • Contributor: Geological Survey (U.S.) - Vermont. Department of Water Resources
    • Date: 1977
  • Map
    Hydrologic unit map--1974, State of Kansas. Catalog Record Only Scale 1:500,000; 1 in. equals approx. 8 miles. "Lambert conformal conic projection, standard parallels 33⁰ and 45⁰." Relief shown by spot heights. "Base map drainage modified 1974." Base map "Compiled in 1961. Edition of 1963." Includes text and table of hydrologic units. AACR2
    • Contributor: Geological Survey (U.S.)
    • Date: 1976
  • Map
    Hydrologic unit map--1974, State of Florida. Catalog Record Only Scale 1:500,000; 1 in. equals approx. 8 miles. "Lambert conformal conic projection based on standard parallels 33⁰ and 45⁰." Relief shown by spot heights. "Base map drainage modified in 1974." Base map "Compiled in 1966. Edition of 1967." Includes text, table of hydrologic units, and inset. AACR2
    • Contributor: Geological Survey (U.S.)
    • Date: 1975
  • Map
    Hydrologic unit map--1987, state of Alaska / Catalog Record Only Relief shown by spot heights. "Compiled from the Geological Survey Alaska topographic maps, scale 1:250,000 and other official sources." "For sale by U.S. Geological Survey, Fairbanks, Alaska 99701, Denver, Colorado 80225, or Reston, Virginia 22092." Includes text, table of hydrologic units, and inset of the Aleutian Islands.
    • Contributor: Geological Survey (U.S.)
    • Date: 1987
  • Map
    Hydrologic unit map--1974, State of North Carolina. Catalog Record Only Scale 1:500,000; 1 in. equals approx. 8 miles. "Lambert conformal conic projection based on standard parallels 33⁰ and 45⁰." "Base map drainage modified in 1974." Base map "Compiled in 1957. Revised in 1972." Includes text and table of hydrologic units. AACR2
    • Contributor: Geological Survey (U.S.)
    • Date: 1975
  • Map
    Water-resources investigations in South Carolina, 1977 / Catalog Record Only Panel title. Includes text and tables. Includes bibliographies.
    • Contributor: Geological Survey (U.S.)
    • Date: 1977
  • Map
    Water-resources investigations in Arkansas, 1977 / Catalog Record Only Panel title. Includes text and tables. Text on verso. Includes bibliographies.
    • Contributor: Geological Survey (U.S.)
    • Date: 1978
  • Map
    Water-resources investigations in Delaware, 1976 / Catalog Record Only Panel title. Includes text and tables. Text on verso. Includes bibliographies.
    • Contributor: Geological Survey (U.S.)
    • Date: 1977
  • Map
    Hydrologic unit map--1974, State of Tennessee. Catalog Record Only Scale 1:500,000; 1 in. equals approx. 8 miles. "Lambert conformal conic projection based on standard parallels 33⁰ and 45⁰." Relief shown by spot heights. "Base map drainage modified 1974." Base map "Compiled 1957, revised 1973." Includes text and table of hydrologic units. AACR2
    • Contributor: Geological Survey (U.S.)
    • Date: 1977
  • Map
    Hydrology of Lake Tarpon, near Tarpon Springs, Florida Catalog Record Only Scale ca. 1:17,000. Depths shown by contours (May 1972) and soundings. Photomap (land area only). "624, Photography May 5, 1972, by Kucera and Associates, Inc., Lakeland, Florida." Bibliography. Includes text, satellite image of Lake Tarpon, 5 graphs, indexed table of "Chloride content of water samples taken April 25, 1972," and location map. AACR2: 100; 490; 710/1; 710/2; 710/3; 830
    • Contributor: Hunn, James D. - Geological Survey (U.S.) - Southwest Florida Water Management District (Fla.) - Florida. Bureau of Geology
    • Date: 1974
  • Map
    Water-resources investigations in Oregon, 1977 / Catalog Record Only Panel title. Includes text and tables. Includes bibliographies.
    • Contributor: Geological Survey (U.S.)
    • Date: 1977
  • Map
    Hydrologic unit map--1974, State of Georgia. Catalog Record Only Scale 1:500,000; 1 in. equals approx. 8 miles. "Lambert conformal conic projection based on standard parallels 33⁰ and 45⁰." Relief shown by spot heights. "Base map drainage modified in 1974." Base map "Compiled in 1963. Edition of 1970." Includes text and table of hydrologic units. AACR2
    • Contributor: Geological Survey (U.S.)
    • Date: 1975
  • Map
    Hydrologic unit map 1974, State of Colorado. Catalog Record Only Scale 1:500,000; 1 in. equals approx. 8 miles. Relief shown by spot heights. "Lambert conformal conic projection, standard parallels 33⁰ and 45⁰." "Base map drainage modified 1974." Base map "Compiled in 1968. Edition of 1969." Includes text and table of hydrologic units. AACR2
    • Contributor: Geological Survey (U.S.)
    • Date: 1976
  • Map
    Water-resources investigations in Missouri, 1976 / Catalog Record Only Panel title. Includes text and tables. Includes bibliographies.
    • Contributor: Geological Survey (U.S.)
    • Date: 1977
  • Map
    Hydrologic unit map--1974, State of Ohio. Catalog Record Only Scale 1:500,000; approx. 1 in. equals 8 miles. Relief shown by spot heights. "Lambert conformal conic projection, standard parallels 33⁰ and 45⁰." "Drainage modified 1974." Base map compiled in 1951. Includes text and table of hydrologic units. AACR2
    • Contributor: Geological Survey (U.S.)
    • Date: 1974
  • Map
    Water-resources investigations in Alabama, 1977 / Catalog Record Only Panel title. Includes text and tables. Text on verso. Includes bibliographies.
    • Contributor: Geological Survey (U.S.)
    • Date: 1978