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Author/Creator
- Geological Survey (U.S.)5
- Jenness, Jane E.3
- Lopez, David A.3
- Sargent, Kenneth A.2
- University of Arizona. Bureau of Geology and Mineral Technology2
- California. Division of Mines and Geology1
- Grose, L. Trowbridge (Lucius Trowbridge), 1924-1
- Johnson, William D.1
- LaFortune, James R.1
- Nevada Bureau of Mines and Geology1
- Roggensack, Kurt1
- Scarborough, Robert B.1