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- Gardiner, James T. (James Terry), 1842-19121
- Geological Survey (U.S.)1
- Geological Survey (U.S.). Annual report1
- Hague, A. (Arnold), 1840-19171
- Hawkins, George T., 1863-19381
- Holmes, William Henry, 1846-19331
- Iddings, Joseph Paxson, 1857-19201
- Johnson, A. J1
- King, Harry, (Harold G. R.)1
- Leffingwell, W. H1
- Northern Transcontinental Survey1
- Peale, A. C. (Albert Charles), 1849-19141
- Rensh1
- Thompson, A. H. (Almon Harris), 1839-19061
- Tweedy, Frank, 1854-19371
- Walcott, Charles D. (Charles Doolittle), 1850-19271
- Wallace, H. S1