- Berry, E. W., 1931, A flora of Green River age in the Wind River basin of Wyoming: Professional Paper 165-B, p. 55-81,
- Bradley, W. H., 1931, Origin and microfossils of the oil shale of the Green River formation of Colorado and Utah: Professional Paper 168, 58 p.,
- Geological Survey (U.S.), 1931, Shorter contributions to general geology, 1930: Professional Paper 165, iv, 180 p., [40] p. of plates. : ill. (some col., 3 fold-outs), maps (some col., 4 fold-outs) ; 30 cm.,
- Gregory, Herbert Ernest; Moore, Raymond Cecil, 1931, The Kaiparowits Region: A Geographic and Geologic Reconnaissance of Parts of Utah and Arizona: Geological Survey (U.S.) Professional Paper 164, vii, 161 p. incl. tables, diagrs. 31 pl. (incl. maps (part fold.) fold diagrs.) 29 cm.,
- Hewett, D. F., 1931, Geology and ore deposits of the Goodsprings quadrangle, Nevada: Professional Paper 162, 172 p.,
- Hoots, H. W., 1931, Geology of the eastern part of the Santa Monica Mountains, Los Angeles County, California: Professional Paper 165-C, p. 83-134,
- Reeves, Frank, 1931, Geology of the Big Snowy Mountains, Montana: Professional Paper 165-D, p. 135-149,
- Ross, C. S.; Kerr, P. F., 1931, The kaolin minerals: Professional Paper 165-E, p. 151-176,
- Rubey, W. W., 1931, Lithologic studies of fine-grained Upper Cretaceous sedimentary rocks of the Black Hills region: Professional Paper 165-A, p. 1-54,
- Thorn, W. T., Jr.; Spieker, E. M.; Stabler, Herman, 1931, The significance of geologic conditions in Naval Petroleum Reserve No. 3, Wyoming, with a section on the waters of the Salt Creek-Teapot Dome uplift: Professional Paper 163, 64 p.,
