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Author/Creator
- Geological Survey (U.S.)10
- Lopez, David A.3
- Arkansas Geological Commission2
- Arkansas Soil and Water Conservation Commission2
- California. Division of Mines and Geology2
- Edds, Joe, 1924-2
- Fitzpatrick, D. J. (Daniel J.)2
- Grose, L. Trowbridge (Lucius Trowbridge), 1924-2
- Izbicki, John A.2
- Jenness, Jane E.2
- Rainbow Municipal Water District (Calif.)2
- Sargent, Kenneth A.2
- Evenson, Kristin D.1
- Hills, Francis Allan1
- Kinsey, W. B.1
- Louisiana. Office of Public Works1
- Lowe, Alfred S.1
- McWreath, Harry1
- Nevada Bureau of Mines and Geology1
- Roggensack, Kurt1