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  1. 1

    Effects of coal-mine discharges on the quality of the Stonycreek River and its tributaries, Somerset and Cambria counties, Pennsylvania by Williams, Donald R.

    Published: U.S. Dept. of the Interior, U.S. Geological Survey ; Branch of Information Services [distributor], 1996
    Description: vi, 95 pages : illustrations, maps (some color) ; 28 cm.
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  2. 2

    Ground-water quality in the vicinity of coal-refuse areas reclaimed with biosolids in Fulton County, Illinois by Morrow, William S.

    Published: U.S. Dept. of the Interior, U.S. Geological Survey, 2007
    Description: iv, 42 pages : digital, PDF file.
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    Government Document Electronic eBook
  3. 3

    Effects of coal-mine discharges on the quality of the Stonycreek River and its tributaries, Somerset and Cambria counties, Pennsylvania by Williams, Donald R. (Hydrologist), Sams, James I., Clark, Mary E. (Mary Eileen), 1970-

    Published: U.S. Geological Survey, 1996
    Description: 1 online resource (vi, 95 pages) : illustrations, maps (some color).
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    Government Document eBook