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Author/Creator
- Geological Survey (U.S.)194
- Feltis, R. D. (Richard D.), 1930-18
- California. Division of Mines and Geology11
- Jenness, Jane E.9
- Lopez, David A.9
- United States. Bureau of Reclamation8
- Sargent, Kenneth A.7
- University of Arizona. Bureau of Geology and Mineral Technology7
- Bedinger, M. S.6
- Langer, William H.6
- Nevada Bureau of Mines and Geology6
- Roggensack, Kurt6
- New Mexico. Bureau of Mines and Mineral Resources5
- Thompson, Thomas H.5
- Chappell, Richard4
- Hills, Francis Allan4
- Idaho. Department of Water Resources4
- Johnson, William D., Jr.4
- National Water-Quality Laboratory (U.S.)4
- Parrett, Charles4