Book 83 results 83 Government Document 62 results 62 eBook 27 results 27 Microform 7 results 7 Journal 4 results 4 Conference Proceeding 1 results 1

Geological Survey (U.S.) 23 results 23 Thorp, James H. 7 results 7 Hart, C. W. 5 results 5 National Water-Quality Assessment Program (U.S.) 5 results 5 Bradfield, Arthur D. 4 results 4 Covich, Alan P. 4 results 4 Britton, Linda J. 3 results 3 Rogers, D. Christopher 3 results 3 Smithsonian Institution. Press 3 results 3 U.S. Fish and Wildlife Service 3 results 3 United States. Forest Service 3 results 3 ZumBerge, Jeremy R. (Jeremy Ryan) 3 results 3 Chambers, Douglas B. 2 results 2 Chester County Water Resources Authority 2 results 2 Clark, Janice, 1948- 2 results 2 Colorado Springs (Colo.). Department of Utilities 2 results 2 Eastern Energy and Land Use Team 2 results 2 Fusté, Luis A. 2 results 2 Garn, Herbert S. 2 results 2 Harris, Steven C. 2 results 2 Jacobi, Gerald Z. 2 results 2 Jude, David J. (David John), 1944- 2 results 2 Kolbe, Christine M. 2 results 2 Lee, K. E. (Kathy E.) 2 results 2 Long Term Resource Monitoring Program (Environmental Management Program) 2 results 2 Luedke, Mark W. (Mark William), 1960- 2 results 2 Messinger, Terence 2 results 2 North American Benthological Society 2 results 2 Pennak, Robert W. (Robert William) 2 results 2 Peterson, David A. (David Allen), 1955- 2 results 2 see all…

English

North America 12 results 12 United States 10 results 10 Colorado 8 results 8 Michigan, Lake 4 results 4 Tennessee 4 results 4 Texas 4 results 4 Fountain Creek Watershed 3 results 3 North Platte River Watershed 3 results 3 Virginia 3 results 3 Yampa River Watershed 3 results 3 Alabama 2 results 2 California, Northern 2 results 2 Chester County 2 results 2 Florida 2 results 2 Indiana 2 results 2 Kanawha River Watershed 2 results 2 Michigan 2 results 2 Middle West 2 results 2 Minnesota 2 results 2 Mississippi River 2 results 2 Montana 2 results 2 New Mexico 2 results 2 Ohio 2 results 2 Pennsylvania 2 results 2 Saint Helens, Mount (Wash.) 2 results 2 San Miguel County 2 results 2 Tennessee River Region 2 results 2 Washington (State) 2 results 2 West Virginia 2 results 2 Wisconsin 2 results 2 see all…