« Previous
Next »
Author/Creator
- Geological Survey (U.S.)[remove]13
- Gault, H. R. (Hugh Richard), 1915-19612
- Heyl, Allen V. (Allen Van), 1918-20082
- Adams, George I. (George Irving), 1870-19321
- Arkansas Geological Survey1
- Burchard, Ernest F. (Ernest Francis), 1875-19611
- Fellows, R. E. (Robert Ellsworth), 1915-19491
- Gude, Arthur J. (Arthur James), 1917-1
- Hotz, Preston Enslow, 1913-1
- Illinois State Geological Survey1
- Iowa Geological Survey1
- McKnight, Edwin Thor, 1902-19921
- Plachy, Jozef1
- Purdue, A. H. (Albert Homer), 1861-19171
- Robinson, G. D. (Gershon Du Vall), 1918-1
- Sheppard, Richard A.1
- Sims, P. K. (Paul Kibler), 1918-20111
- Smith, Robert L. (Robert Leland), 1920-20161
- Twenhofel, W. S. (William Stephens), 1918-1
- U.S. Atomic Energy Commission1