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Groundwater
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3,073
Pollution
2,781
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1,989
Water quality
1,777
Environmental aspects
1,712
Aquifers
1,609
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1
[Washington, D.C.] : United States Environmental Protection Agency, Office of Water, 2007
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2
由 Bruce, Breton W.
Denver, Colo. : U.S. Geological Survey, 1999
Denver, Colo. : U.S. Geological Survey, 1999
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3
[Reston, Va.] : U.S. Department of the Interior, U.S. Geological Survey, 2014
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4
由 Wilson, John T. (John Thomas), 1963-
Reston, Va. : U.S. Dept. of the Interior, U.S. Geological Survey, 2012
Reston, Va. : U.S. Dept. of the Interior, U.S. Geological Survey, 2012
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5
由 McLean, J. S. (John Scott), 1942-
Albuquerque, N.M. : U.S. Dept. of the Interior, Geological Survey, 1977
Albuquerque, N.M. : U.S. Dept. of the Interior, Geological Survey, 1977
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6
由 McCoy, Kurt J.
Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2015
Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2015
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7
8
[Reston, Va.] : U.S. Department of the Interior, U.S. Geological Survey, 2013
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9
由 Anning, David W.
[Reston, Virginia] : U.S. Department of the Interior, U.S. Geological Survey, 2018
[Reston, Virginia] : U.S. Department of the Interior, U.S. Geological Survey, 2018
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10
11
由 Wilson, L. G. (Lorne Graham), 1929-
Las Vegas : Springfield, Va. ; Environmental Monitoring Systems Laboratory, Office of Research and Development, U.S. Environmental Protection Agency ; Available to the public through the National Technical Information Service, 1980
Las Vegas : Springfield, Va. ; Environmental Monitoring Systems Laboratory, Office of Research and Development, U.S. Environmental Protection Agency ; Available to the public through the National Technical Information Service, 1980
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12
由 Carswell, Louis D.
Harrisburg : Pennsylvania Geological Survey, 1979
Harrisburg : Pennsylvania Geological Survey, 1979
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13
由 Darton, Nelson Horatio, 1865-1948
Washington : Govt. Print. Off., 1916
Washington : Govt. Print. Off., 1916
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14
由 Nichols, William D.
Trenton, N.J. : U.S. Dept. of the Interior, Geological Survey, 1977
Trenton, N.J. : U.S. Dept. of the Interior, Geological Survey, 1977
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15
由 Havens, John S.
Oklahoma City, Okla. : U.S. Dept. of the Interior, Geological Survey, 1978
Oklahoma City, Okla. : U.S. Dept. of the Interior, Geological Survey, 1978
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16
由 Haugh, Connor J., Killian, Courtney, 1990-, Barlow, Jeannie R. B.
Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2020
Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2020
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17
Reston, Va : U.S. Dept. of the Interior, U.S. Geological Survey, 2010
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18
19
Reston, Va. : U.S. Dept. of the Interior, U.S. Geological Survey, 2011
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20
Reston, VA : U.S. Department of the Interior, U.S. Geological Survey, 2015
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