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Author/Creator
- Geological Survey (U.S.)7
- National Water-Quality Assessment Program (U.S.)2
- Abrahamsen, Thomas A.1
- Couch, Carol A. (Carol Anne)1
- Dunn, David D.1
- Hardy, P. Suzanne1
- Harvey, Judson W. (Judson William)1
- Hopkins, Evelyn H.1
- Johnson, Carole D.1
- Journey, Celeste A.1
- Justus, B. G.1
- Lee, K. E. (Kathy E.)1
- McPherson, Ann K.1
- Perry, James A. (James Alfred), 1945-1
- Raines, Timothy H.1
- South Florida Water Management District (Fla.)1
- Texas. Parks and Wildlife Department1
- United States. Army. Corps of Engineers1
- University of Connecticut1
- University of Texas. Bureau of Economic Geology1