- Bryan, Kirk, 1927, Contributions to the geography of the United States, 1926. Pedestal rocks formed by differential erosion and channel erosion of the Rio Salado, Socorro County, New Mexico: Bulletin 790-A, 1-19 p.,
- Bryan, Kirk, 1927, Contributions to the geography of the United States, 1926. The "Palouse soil" problem, with an account of elephant remains in wind-borne soil on the Columbia plateau of Washington: Bulletin 790-B, 46 p.,
- Campbell, Marius R., 1927, Contributions to the geography of the United States, 1926: U.S. G.P.O., Bulletin 790, 46 p., [7] p. of plates :ill. ;24 cm.,
- Capps, S. R.; Smith, P. S., 1927, Mineral resources of Alaska, report on progress of investigations in 1925. The Toklat-Tonzona River region. Geologic investigations in northern Alaska: Bulletin 792-C, p. 73-122,
- Capps, Stephen Reid; Mertie, John Beaver, Jr., 1927, Geology of the upper Matanuska valley, Alaska, with a section on the igneous rocks: Govt. Print. Off., Bulletin 791, 92 p. :incl. illus., tables, diagrs. 16 pl. (part fold., incl. 2 maps, plan, diagr.) ;23 cm.,
- Ferguson, Henry Gardiner, 1927, Geology and ore deposits of the Mogollon mining district, New Mexico: Govt. Print. Off., Bulletin 787, 100 p. :incl. illus., 25 pl. (incl. fold. maps, plans, diagrs.) ;23 cm.,
- Heald, K. C., 1927, Contributions to economic geology (short papers and preliminary reports), 1926, Part II, Mineral fuels. The geology of the Ingomar anticline, Treasure and Rosebud counties, Montana: Bulletin 786-A, 1-37 p.,
- Landes, K. K., 1927, Mineral resources of Alaska, report on progress of investigations in 1925. Geology of the Knik-Matanuska district, Alaska: Bulletin 792-B, 51-72 p.,
- Moffit, Fred H. and others, 1927, Mineral resources of Alaska, report on progress of investigations in 1925: U.S. G.P.O., Bulletin 792, 122, xiii p. :ill., pl., maps, diagrs. ;24 cm.,
- Moffit, Fred Howard, 1927, The Iniskin-Chinitna Peninsula and the Snug Harbor district, Alaska: Govt. Print. Off., Bulletin 789, 71 p. :11 pl. (part fold., incl. 5 maps) tables (1 fold.) ;23 cm.,
- Moffit, Fred Howard, 1927, Mineral resources of Alaska, report on progress of investigations in 1925. Mineral industry of Alaska in 1925 and administrative report: Bulletin 792-A, 1-49 p., 1 fig.,
- Nickles, John M., 1927, Bibliography of North American geology for 1923-24: U.S. G.P.O., Bulletin 784, 280 p. ;24 cm.,
- Reeves, Frank, 1927, Contributions to economic geology, 1926: Part II, Mineral fuels. Geology of the Cat Creek and Devils Basin oil fields and adjacent areas in Montana: Bulletin 786-B, 98 p.,
- Thom, William Taylor, Jr., 1927, Contributions to economic geology (short papers and preliminary reports), 1926: Part II. - Mineral fuels: U.S. G.P.O., Bulletin 786, 98 p. (some folded), [17] p. of plates :ill., maps (1 col.) ;23 cm.,
