- Brown, Roland W., 1950, Cretaceous plants from southwestern Colorado: Professional Paper 221-D, p. 45-66,
- Cole, W. Storrs, 1950, Larger Foraminifera from the Palau Islands: Professional Paper 221-B, p. 21-31,
- Darton, N. H., 1950, Configuration of the bedrock surface of the District of Columbia and vicinity: Professional Paper 217, 42 p.,
- Gardner, Julia, 1950, The molluscan fauna of the Alum Bluff group of Florida, Part IX, Index to chapters A-H: Professional Paper 142-I, p. 657-709,
- Gregory, Herbert E., 1950, Geology and geography of the Zion Park region, Utah and Arizona: Professional Paper 220, 200 p.,
- Hanley, J. B.; Heinrich, E. W.; Page, L. R., 1950, Pegmatite investigations in Colorado, Wyoming, and Utah, 1942-1944: Professional Paper 227, 125 p.,
- Hendricks, T. A.; Parks, Bryan, 1950, Geology of the Fort Smith district, Arkansas: Professional Paper 221-E, p. 67-94,
- Hough, Jean, 1950, The habits and adaptation of the Oligocene saber tooth carnivore, Hoplophoneus: Professional Paper 221-H, p. 125-146,
- Hunt, Charles B.; Sokoloff, V. P., 1950, Pre-Wisconsin soil in the Rocky Mountain region; a progress report: Professional Paper 221-G, p. 109-123,
- Jahns, Richard H.; Lancaster, Forrest W., 1950, Physical characteristics of commercial sheet muscovite in the southeastern United States: Professional Paper 225, 110 p.,
- Kesler, Thomas L., 1950, Geology and mineral deposits of the Cartersville district, Georgia: Professional Paper 224, 97 p.,
- King, Philip B., 1950, Geology of the Elkton area, Virginia: Professional Paper 230, 82 p.,
- Lovering, T. S.; Goddard, E. N., 1950, Geology and ore deposits of the Front Range, Colorado: Professional Paper 223, 319 p.; 28 plates.,
- MacNeil, F. Stearns, 1950, Pleistocene shore lines in Florida and Georgia: Professional Paper 221-F, p. 95-107,
- Sohn, I. G., 1950, Growth series of ostracodes from the Permian of Texas: Professional Paper 221-C, p. 33-44,
- Stoll, W. C., 1950, Mica and beryl pegmatites in Idaho and Montana: Professional Paper 229, 64 p.,
- Woodring, W. P.; Bramlette, M. N., 1950, Geology and paleontology of the Santa Maria district, California: Professional Paper 222, 185 p.,