Author
Geological Survey (U.S.)
42
Geological Survey (U.S.),
20
Colorado. Department of Public Health and Environment. Water Quality Control Division
9
National Water-Quality Assessment Program (U.S.)
5
SpringerLink (Online service)
5
Colorado. Water Quality Control Commission
4
United States. Environmental Protection Agency. Office of Water
4
Library of Congress. Congressional Research Service,
3
Alpers, Charles N., 1958-
2
Arizona. Department of Water Resources
2
Connecticut. Department of Environmental Protection
2
Detroy, Mark G.
2
Encotech, Inc
2
Fallon, James D.
2
Gatz, Laura,
2
Indianapolis (Ind.). Department of Public Works
2
Lee, K. E.
2
Mallard, Gail E.
2
San Francisco (Calif.). Water Department
2
Source Water Assessment and Protection Program (Colo.)
2
United States. Congress. House. Committee on Rules
2
United States. Environmental Protection Agency
2
United States. Environmental Protection Agency. Office of Research and Development
2
United States. Natural Resources Conservation Service
2
University of Iowa. Hygienic Laboratory
2
Adler, Robert W., 1955-
1
Anttila, Peter W.
1
Arizona. Department of Environmental Quality
1
Aubert, E. J. 1921-
1
Baldys, S.
1
Bauer, Stephen B. 1950-
1
Bayless, E. Randall 1961-
1
Becher, Albert E.
1
Bennett, George L.,
1
Bhagwat, Subhash
1
Bobay, Keith E.
1
Bobay, Keith E.,
1
Brabets, Timothy P.,
1
Brown, Cheryl A.
1
Brown, David S.
1
Brown, Susan S., 1957-
1
Bunch, Aubrey R.,
1
Burchard, J. M.
1
Burchard, J. M.,
1
Burlington (Vt.)
1
Burton, Timothy A.,
1
California. Department of Water Resources
1
California. State Water Resources Control Board
1
Cameron, Diane M.
1
Campbell, J. P.
1
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