Collection Items

  • Map
    Hydrologic unit map--1974, state of New York Relief shown by spot heights. Originally "Compiled in 1953." Includes text, notes, table of hydrologic unit data, and bar-code. On envelope: Reprinted 1996. Available also through the Library of Congress Web site as a raster image.
    • Contributor: Water Resources Council (U.S.) - Geological Survey (U.S.)
    • Date: 1980-01-01
  • 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: Water Resources Council (U.S.) - Geological Survey (U.S.)
    • Date: 1974-01-01
  • Map
    Hydrologic unit map--1974, States of Maryland and Delaware. 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. Available also through the Library of Congress Web site as a raster image. AACR2
    • Contributor: Water Resources Council (U.S.) - Geological Survey (U.S.)
    • Date: 1974-01-01
  • Map
    Hydrologic unit map--1974, State of West Virginia. 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. Available also through the Library of Congress Web site as a raster image. AACR2
    • Contributor: Water Resources Council (U.S.) - Geological Survey (U.S.)
    • Date: 1974-01-01
  • Map
    Hydrologic unit map--1989, State of West Virginia
    West Virginia
    Relief shown by spot heights. "Base map drainage modified 1974. Compiled in 1963. Edition of 1966." Includes text and table of hydrologic units. Available also through the Library of Congress Web site as a raster image.
    • Contributor: Water Resources Council (U.S.) - Geological Survey (U.S.)
    • Date: 1989-01-01
  • Map
    Hydrologic unit map--1974, State of North Carolina. 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. Available also through the Library of Congress Web site as a raster image. AACR2
    • Contributor: Water Resources Council (U.S.) - Geological Survey (U.S.)
    • Date: 1975-01-01
  • Map
    Hydrologic unit map--1974, State of Georgia. 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. Available also through the Library of Congress Web site as a raster image. AACR2
    • Contributor: Water Resources Council (U.S.) - Geological Survey (U.S.)
    • Date: 1975-01-01
  • Map
    Hydrologic unit map--1974, State of Florida. 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. Available also through the Library of Congress Web site as a raster image. AACR2
    • Contributor: Water Resources Council (U.S.) - Geological Survey (U.S.)
    • Date: 1975-01-01
  • Map
    Hydrologic unit map--1974, State of Kentucky. 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. Available also through the Library of Congress Web site as a raster image. AACR2
    • Contributor: Water Resources Council (U.S.) - Geological Survey (U.S.)
    • Date: 1977-01-01
  • Map
    Hydrologic unit map--1974, State of Tennessee. 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. Available also through the Library of Congress Web site as a raster image. AACR2
    • Contributor: Water Resources Council (U.S.) - Geological Survey (U.S.)
    • Date: 1977-01-01
  • Map
    Hydrologic unit map--1974, State of Mississippi. 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 1971. Edition of 1972." Includes text and indexed table of hydrologic units. Available also through the Library of Congress Web site as a raster image. AACR2
    • Contributor: Water Resources Council (U.S.) - Geological Survey (U.S.)
    • Date: 1977-01-01
  • Map
    Hydrologic unit map--1974, State of Arkansas. 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. Available also through the Library of Congress Web site as a raster image. AACR2
    • Contributor: Water Resources Council (U.S.) - Geological Survey (U.S.)
    • Date: 1977-01-01
  • Map
    Hydrologic unit map--1974, State of Louisiana. 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. Available also through the Library of Congress Web site as a raster image. AACR2
    • Contributor: Water Resources Council (U.S.) - Geological Survey (U.S.)
    • Date: 1977-01-01
  • Map
    Hydrologic unit map--1974, State of Oklahoma. Scale 1:500,000; 1 in. equals approx. 8 miles. "Lambert conformal conic projection." Relief shown by spot heights. "Base map 1972. Drainage modified 1974." Includes text and indexed table of hydrologic units. Available also through the Library of Congress Web site as a raster image.
    • Contributor: Water Resources Council (U.S.) - Geological Survey (U.S.)
    • Date: 1976-01-01
  • Map
    Hydrologic unit map--1974, State of Texas. Scale 1:500,000; 1 in. equals approx. 8 miles. "Lambert conformal conic projection." Relief shown by spot heights. Base map "compiled in 1962. Edition of 1965." "Base map drainage modified 1974." Includes text and table of hydrologic units. Available also through the Library of Congress Web site as a raster image. AACR2
    • Contributor: Water Resources Council (U.S.) - Geological Survey (U.S.)
    • Date: 1976-01-01
  • Map
    Hydrologic unit map--1974, State of Ohio. 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. Available also through the Library of Congress Web site as a raster image. AACR2
    • Contributor: Water Resources Council (U.S.) - Geological Survey (U.S.)
    • Date: 1974-01-01
  • Map
    Hydrologic unit map, 1988, state of Ohio Relief shown by spot heights. Shows boundaries and numbers for units and subunits. Title in margin: Ohio, base map. "Drainage modified 1988." Base map compiled in 1951." Includes text and table of hydrologic units. Available also through the Library of Congress Web site as a raster image.
    • Contributor: Water Resources Council (U.S.) - Geological Survey (U.S.)
    • Date: 1988-01-01