Author
Geological Survey (U.S.),
4
Geological Survey (U.S.)
3
Bradfield, Arthur D.
2
Bradfield, Arthur D.,
2
National Water-Quality Assessment Program (U.S.)
2
Chambers, Douglas B.
1
Goldstein, Robert M.,
1
Lee, K. E.
1
Long Term Resource Monitoring Program (Environmental Management Program)
1
Messinger, Terence
1
Sauer, Jennifer S.
1
United States. Army. Corps of Engineers. Jacksonville District
1
United States. Army. Corps of Engineers. Rock Island District
1
Upper Midwest Environmental Sciences Center (Geological Survey)
1
Waller, Bradley G.,
1
ZumBerge, Jeremy R.
1