Author
Geological Survey (U.S.)
3
Fitzpatrick, Faith A.
1
Galeone, Daniel G.
1
Gilvear, D.
1
Graf, William L., 1947-
1
Greenwood, Malcolm T.
1
Habersack, Helmut
1
Hillegas-Elting, James V.,
1
McCool, Daniel, 1950-
1
National Water-Quality Assessment Program (U.S.)
1
Pennsylvania. Department of Environmental Protection
1
Peterson, Elise M.
1
Piégay, Hervé
1
ProQuest (Firm)
1
Rinaldi, Massimo
1
Robertson, Dale M.
1
Saad, David A.
1
ScienceDirect (Online service)
1
Stewart, J. S.
1
Thoms, Martin C.
1
United States. Environmental Protection Agency. Region V.
1
United States. Environmental Protection Agency. Region VII
1
Wieben, Ann M.
1
Wood, Paul J.
1