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Author/Creator
- Anderson, T. W. (Thomas Warren), 1940-3
- Arizona. Department of Water Resources3
- Arkansas Geological Commission2
- Arkansas Soil and Water Conservation Commission2
- Asquith, William H.1
- Barlow, Paul M.1
- Bedinger, M. S.6
- Brady, Bruce T.2
- Brown, David S.1
- Buursink, Marc L.1
- California. Division of Mines and Geology11
- Carlson, Paul R. (Paul Roland), 1933-1
- Carpinteria County Water District (Calif.)1
- Chappell, Richard4
- Colman, John A.1
- Curtin, Stephen E.2
- Dickerman, David C.1
- Duran, Philip B.1
- Edds, Joe, 1924-2
- Evenson, Kristin D.1