Search results for: Cohen, David A.

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  1. 1

    Shallow ground-water flow, water levels, and quality of water, 1980-84, Cowles Unit, Indiana Dunes National Lakeshore

    Authors: Cohen, David A.
    Published: U.S. Department of the Interior, Geological Survey ; Western Distribution Branch, 1986
    Physical Description: iv, 25 pages : illustrations, maps ; 28 cm.
    Government Document Book
  2. 2

    Geohydrology and simulated ground-water flow in northwestern Elkhart County, Indiana

    Authors: Arihood, Leslie D., Cohen, David A.
    Published: U.S. Geological Survey, 1998
    Physical Description: 1 online resource (v, 47 pages) : illustrations, maps.
    Connect to online resource - All users (Federal Depository Library Program Persistant URL)
    Government Document Electronic eBook
  3. 3

    Shallow ground-water flow, water levels, and quality of water, 1980-84, Cowles Unit, Indiana Dunes National Lakeshore

    Authors: Cohen, David A., Shedlock, Robert J.
    Published: U.S. Geological Survey, 1986
    Physical Description: 1 online resource (iv, 25 pages) : illustrations, maps.
    Connect to online resource - All users (Federal Depository Library Program Persistant URL)
    Government Document Electronic eBook
  4. 4

    Policy and procedures for the management and archival storage of data collected for hydrologic investigations, U.S. Geological Survey, Indiana District

    Authors: Martin, Jeffrey D.
    Published: U.S. Geological Survey ; USGS Earth Science Information Center, Open-File Reports Section [distributor], 1993
    Other Authors: “…Cohen, David A.…”
    Physical Description: iv, 21 pages ; 28 cm.
    Government Document Book
  5. 5

    A computerized data base of nitrate concentrations in Indiana ground water

    Authors: Risch, Martin R.
    Published: U.S. Geological Survey ; U.S. Geological Survey, Earth Science Information Center, Open-File Reports Section [distributor], 1995
    Other Authors: “…Cohen, David A.…”
    Physical Description: iv, 17 pages : illustrations, map ; 28 cm.
    Government Document Book
  6. 6

    Methods used to assess the susceptibility to contamination of transient, non-community public ground-water supplies in Indiana

    Authors: Arihood, Leslie D.
    Published: U.S. Dept. of the Interior, U.S. Geological Survey, 2007
    Other Authors: “…Cohen, David A.…”
    Physical Description: vi, 40 pages : digital, PDF file.
    Connect to online resource - All users (Federal Depository Library Program Persistant URL)
    Government Document Electronic eBook