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Author/Creator
- Geological Survey (U.S.)10
- Louisiana. Department of Transportation and Development. Water Resources Section5
- Seanor, Ronald C.3
- Walters, David J.3
- Smoot, Charles W.2
- Brantly, Jeffrey A.1
- Carpenter, David H. (Hydrologist)1
- Delaware Geological Survey1
- Delaware. Department of Natural Resources and Environmental Control1
- Hayes, Donald C.1
- Jackson County (Miss.). Board of Supervisors1
- Kliever, John D.1
- Maryland Geological Survey1
- Maryland. Water Resources Administration1
- Oakley, W. T. (William Thomas), 1942-1
- Providence Water Supply Board1
- Puerto Rico Aqueduct and Sewer Authority1
- Puerto Rico. Environmental Quality Board1
- Rhode Island. Department of Environmental Management1
- Santiago-Rivera, Luis1