Author
Geological Survey (U.S.)
7
Thompson, Thomas H.
Chappell, Richard
4
California. Division of Mines and Geology
2
Nuter, Janet
2
Anderson, T. W. 1940-
1
Arizona. Department of Water Resources
1
Hart, D. L.
1
Idaho. Department of Water Resources
1
Nevada Bureau of Mines and Geology
1
New Mexico. Bureau of Mines and Mineral Resources
1
New Mexico. Energy and Minerals Department
1
University of Arizona. Bureau of Geology and Mineral Technology
1
University of Texas. Bureau of Economic Geology
1