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  • 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
    • Original Format: Maps
    • Date: 1977
  • 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
    • Original Format: Maps
    • Date: 1977
  • 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
    • Original Format: Maps
    • Date: 1977
  • 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.)
    • Original Format: Maps
    • Date: 1974
  • 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
    • Original Format: Maps
    • Date: 1978
  • 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
    • Original Format: Maps
    • Date: 1978
  • 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.)
    • Original Format: Maps
    • Date: 1974
  • 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.)
    • Original Format: Maps
    • Date: 1977
  • 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
    • Original Format: Maps
    • Date: 1977
  • 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.)
    • Original Format: Maps
    • Date: 1974
  • Water-resources investigations in Rhode Island, 1977 / Catalog Record Only

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

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1977
  • 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.)
    • Original Format: Maps
    • Date: 1975
  • 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.)
    • Original Format: Maps
    • Date: 1977
  • Water-resources investigations in North Carolina, 1977 / Catalog Record Only

    Panel title. Includes text and tables. Includes bibliographies.

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1978
  • Water-resources investigations in Maryland and the District of Columbia, 1976 / Catalog Record Only

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

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1977
  • 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.)
    • Original Format: Maps
    • Date: 1978
  • Hydrologic unit map--1989, State of West Virginia / Catalog Record Only

    Relief shown by spot heights. "Base map drainage modified 1974. Compiled in 1963. Edition of 1966." Includes text and table of hydrologic units.

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1989
  • 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.)
    • Original Format: Maps
    • Date: 1976
  • Hydrologic unit map--1974, State of Arizona. 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 "Compiled in 1972 Edition of 1974." Includes text and table of hydrologic units. AACR2

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1975
  • 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.)
    • Original Format: Maps
    • Date: 1974
  • Water-resources investigations in Utah, 1977 / Catalog Record Only

    Panel title. Includes text, tables, and table of "Fluctuation of water surface and dissolved-solids content of Great Salt Lake." Includes bibliographies.

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1978
  • Hydrologic unit map--1974, State of Arkansas. 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." Includes text and indexed table of hydrologic units. AACR2

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1977
  • Hydrologic unit map--1974, State of Louisiana. 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 1966. Edition of 1968." Includes text and indexed table of hydrologic units. AACR2

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1977
  • 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.)
    • Original Format: Maps
    • Date: 1975
  • Hydrologic unit map--1974, State of Kentucky. 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 1956. Revised 1973." Includes text and indexed table of hydrologic units. AACR2

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1977