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Nitrate concentrations and potential sources in the Barton Springs segment of the Edwards Aquifer an

Mahler, B. J. (Barbara June), 1959-
[Reston, Va.] : U.S. Dept. of the Interior, U.S. Geological Survey, [2011] 2011

Parking lot sealcoat a major source of polycyclic aromatic hydrocarbons (PAHs) in urban and suburban

[Reston, Va.] : U.S. Dept. of the Interior, U.S. Geological Survey, [2006] 2006

Relation of specific conductance in ground water to intersection of flow paths by wells, and associa

Garner, Bradley D.
Reston, Va. : U.S. Geological Survey, 2007. 2007

Town Lake bottom sediments a chronicle of water quality changes in Austin, Texas, 1960-98

Van Metre, Peter.
[Reston, Va.] : U.S. Department of the Interior, U.S. Geological Survey, [1999] 1999