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Author/Creator
- Aeronautical Systems Center (U.S.). Environmental Management Directorate1
- Albuquerque (N.M.)2
- American Samoa Environmental Protection Agency1
- Anderholm, Scott K.2
- Antelope Valley Water Group1
- Ardis, Ann F.2
- Arkansas Geological Commission3
- Arkansas Soil and Water Conservation Commission1
- Baker, E. T. (Ernest T.), 1931-1
- Barker, ReneĢ A.1
- Barlow, Paul M.1
- Berenbrock, Charles1
- Bexfield, Laura M.2
- Boise (Idaho). Public Works Department1
- Brantly, Jeffrey A.1
- Burt, David E., 1960-1
- Bush, Peter W.1
- Carlson, Carl S.1
- Carrasquillo, Ramon A.1
- Chester County Water Resources Authority7