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Author
- Geological Survey (U.S.)10
- McGrew, Laura W. (Laura Wenger), 1921-9
- Krieger, Medora Louise Hooper, 1905-19947
- Dibblee, T. W. (Thomas Wilson), 1911-6
- Goldsmith, Richard, 1918-4
- Simmons, George Clarke, 1923-3
- Cater, Fred W. (Fred William), 1912-2
- Drake, Avery Ala, 1927-2
- Gualtieri, James Louis, 1924-2
- Hyden, Harold Julius, 1922-2
- Kepferle, Roy Clark, 1926-2
- Klemic, Harry, 1920-2
- Lewis, Richard Quintin, 1919-2
- Mudge, Melville Rhodes, 1921-2
- Nelson, Arthur E. (Arthur Edward), 1922-2
- Ontario. Department of Mines2
- Smith, J. Hiram (James Hiram), 1916-2
- Thaden, Robert E., 1924-2
- Amos, Dewey Harold, 1925-1
- Anderson, Charles A. (Charles Alfred), 1902-19901
