Skip to search
Skip to main content
- Geological Survey (U.S.)✖[remove]488
- Hill, Robert Thomas, 1858-19414
- University of Texas. Bureau of Economic Geology4
- Thompson, A. H. (Almon Harris), 1839-19063
- United States. Bureau of the Census3
- University of Texas. Mineral Survey3
- Bannon, T. M.2
- Brady, Bruce T.2
- Douglas, E. M. (Edward Morehouse), 1855-19322
- Goode, Richard Urquhart, 1858-19032
- Herron, W. H. (William Harrison), 1865-2
- Imlay, Ralph W. (Ralph Willard), 1908-19892
- Johnson, Willard D.2
- McLaughlin, Fred2
- National Ocean Survey2
- Selden, Henry S.2
- Stephenson, Lloyd William, 1876-19622
- Bartlett, E. R.1
- Bedinger, M. S.1
- Collins, Jack B.1