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  • 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 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 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 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 New Jersey, 1977 Catalog Record - Electronic Resource Available

    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

    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, State of New Jersey. Catalog Record - Electronic Resource Available

    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

    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 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

    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 Hawaii, principal islands. Catalog Record Only

    Scale 1:500,000; 1 in. equals approx. 8 miles. Cover title: Hydrologic unit map-1974. "Lambert conformal conic projection based on standard parallels 33⁰ and 45⁰." Relief shown by spot heights. Depths shown by contours and soundings. Base map "Compiled in 1969. Edition of 1971." Includes text, table of hydrologic units, and inset of Hawaiian Islands. AACR2

    • Contributor: Geological Survey (u.s.)
    • Date: 1976
  • Map

    Mapa de unidad hidrologica--1974; Region del Caribe. Hydrologic unit map--1974: Caribbean region. Catalog Record Only

    Scale 1:240,000. Shows Puerto Rico. Includes explanatory note and table showing hydrologic units. 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

    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

    Water-resources investigations in California, 1977 / Catalog Record Only

    Panel title. Includes text and tables. Text on verso. Includes bibliographies.

    • Contributor: Geological Survey (u.s.)
    • Date: 1978
  • Map

    Hydrologic unit map--1974, State of Illinois. 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 1970. Edition of 1972." Includes text and table of hydrologic units. AACR2

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

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

    Scale 1:2,500,000; 1 in. equals approx. 40 miles. Relief shown by spot heights. "Modified transverse Mercator projection." "Compiled from the Geological Survey Alaska topographic maps, scale 1:250,000 and other official sources." Includes text, table of hydrologic units, and inset of the Aleutian Islands. AACR2

    • Contributor: Geological Survey (u.s.)
    • Date: 1976
  • Map

    Hydrologic unit map--1974, State of California. 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 1968. Edition of 1970." Includes text and table of hydrologic units. Separate sheets of map have titles "California (north half)" and "California (south half)." AACR2

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

    Hydrologic unit map--1974, State of West Virginia. 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 1974." Base map "Compiled in 1963. Edition of 1966." Includes text and table of hydrologic units. AACR2

    • Contributor: Geological Survey (u.s.)
    • Date: 1974
  • Map

    Hydrologic unit map--1974, State of Pennsylvania. 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 in 1974." Base map "Compiled in 1953. Edition of 1955." Includes text and table of hydrologic units. AACR2

    • Contributor: Geological Survey (u.s.)
    • Date: 1974
  • Map

    Water-resources investigations in Tennessee, 1977 / Catalog Record Only

    Panel title. Includes text and tables. Includes bibliographies.

    • Contributor: Geological Survey (u.s.)
    • Date: 1978
  • Map

    Hydrologic unit map--1974. State of Missouri. Catalog Record Only

    Scale 1:500,000; 1 in. equals approx. 8 miles. "Base map drainage modified in 1974." Base map "Compiled in 1969. Revised in 1973." "Lambert conformal conic projection based on standard parallels 33⁰ and 45⁰." Relief shown by spot heights. Includes text and table of hydrologic units. AACR2

    • 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

    Hydrologic unit map--1974, States of Maryland and Delaware. 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 "Edition of 1950." Includes text and table of hydrologic units. AACR2

    • Contributor: Geological Survey (u.s.)
    • Date: 1974
  • Map

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

    Panel title. Includes text and tables. Includes bibliographies.

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