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Author/Creator
- Geological Survey (U.S.)5
- Thompson, Thomas H.5
- Chappell, Richard4
- Anderson, T. W. (Thomas Warren), 1940-1
- Arizona. Department of Water Resources1
- California. Division of Mines and Geology1
- Hart, D. L.1
- Idaho. Department of Water Resources1
- Nevada Bureau of Mines and Geology1
- New Mexico. Bureau of Mines and Mineral Resources1
- New Mexico. Energy and Minerals Department1
- Nuter, Janet1
- University of Arizona. Bureau of Geology and Mineral Technology1