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  1. 1

    Geologic radon potential of EPA Region 7 Iowa, Kansas, Missouri, and Nebraska by United States. Environmental Protection Agency, Geological Survey (U.S.)

    Published: The Survey : [Books and Open-File Reports Section, distributor], 1993
    Description: ii, 147 leaves : illustrations, maps ; 28 cm.
    Microfilm Book
  2. 2

    Geologic radon potential of EPA Region 5 Illinois, Indiana, Michigan, Minnesota, Ohio, and Wisconsin by Geological Survey (U.S.), United States. Environmental Protection Agency

    Published: The Survey : [Books and Open-File Reports Section, distributor], 1993
    Description: ii, 194 leaves : illustrations, maps ; 28 cm.
    Microfilm Book
  3. 3

    A reconnaissance for selected herbicides, metabolites, and nutrients in streams of nine midwestern states, 1994-95 by United States. Environmental Protection Agency, Geological Survey (U.S.)

    Published: U.S. Dept. of the Interior, U.S. Geological Survey ; Information Services [distributor], 1998
    Description: iv, 44 pages : illustrations, map ; 28 cm.
    Microfilm Book