- Berry, E. W., 1926, Pleistocene plants from North Carolina: Professional Paper 140-C, p. 97-119,
- Bradley, W. H., 1926, Shore phases of the Green River formation in northern Sweetwater County, Wyoming: Professional Paper 140-D, p. 121-131,
- Brown, John Stafford, 1926, Mineral resources of Alaska, report on progress of investigations in 1924. The Nixon Fork country, Alaska. Silver-lead prospects near Ruby, Alaska: Bulletin 783-D, 97-150 p., 3 figs., 2 plates,
- Buddington, A. F., 1926, Mineral resources of Alaska, report on progress of investigations in 1924. Mineral investigations in southeastern Alaska: Bulletin 783-B, 41-62 p.,
- Collins, W. D., 1926, Relations between quality of water and industrial development in the United States: Govt. print. off., Water Supply Paper 559, iv, 43 p. :5 fold. pl. (incl. maps, diagrs.) tables, diagrs. ;23 cm.,
- Cooke, C. W., 1926, Correlation of the basal Cretaceous beds of the Southeastern States: Professional Paper 140-F, p. 137-139,
- Emmons, W. H.; Laney, F. B.; with the active collaboration of Keith, Arthur, 1926, Geology and ore deposits of the Ducktown mining district, Tennessee: Professional Paper 139, 114 p.,
- English, Walter Atheling; Prutzman, Paul W., 1926, Geology and oil resources of the Puente Hills region, southern California, with a section on the chemical character of the oil: Govt. Print. Office, Bulletin 768, 110 p. ill., maps ;24 cm.,
- Gardner, Julia, 1926, The molluscan fauna of the Alum Bluff group of Florida, Part I, Prionodesmacea and Anomalodesmacea: Professional Paper 142-A, p. 1-79,
- Gardner, Julia, 1926, The molluscan fauna of the Alum Bluff group of Florida, Part II, Astartacea, Carditacea, Chamacea: Professional Paper 142-B, p. 81-99,
- Gardner, Julia, 1926, The molluscan fauna of the Alum Bluff group of Florida, Part III, Lucinacea, Leptonacea, Cardiacea: Professional Paper 142-C, p. 101-149,
- Gardner, Julia, 1926, The molluscan fauna of the Alum Bluff group of Florida, Part IV, Veneracea: Professional Paper 142-D, p. 151-184,
- Geological Survey (U.S.), 1926, Shorter contributions to general geology, 1925: Professional Paper 140, iii, 143 p., [62] p. of plates : ill., maps (some fold.) ; 30 cm. ; Issued as a single volume and as seperate chapters,
- Geological Survey (U.S.), 1926, Surface water supply of the United States, 1921 : Part 10. The Great Basin: U.S. G.P.O., Water Supply Paper 530, 194 p. :ill. ;23 cm.,
- Geological Survey (U.S.), 1926, Surface water supply of the United States, 1922, Part II, South Atlantic slope and eastern Gulf of Mexico basins: U.S. Govt. Print. Off., Water Supply Paper 542, iv, 74 p. ;23 cm.,
- Geological Survey (U.S.), 1926, Surface water supply of the United States, 1922, Part III, Ohio River basin: U.S. Govt. Print. Off., Water Supply Paper 543, vi, 262 p. ;23 cm.,
- Geological Survey (U.S.), 1926, Surface water supply of the United States, 1922, Part VI, Missouri River basin: U.S. Govt. Print. Off., Water Supply Paper 546, vii, 349 p. ;23 cm.,
- Geological Survey (U.S.), 1926, Surface water supply of the United States, 1922 : Part 12, North Pacific drainage basins ; A. Pacific drainage basins in Washington and upper Columbia River basin: U.S. Govt. Print. Off., Water Supply Paper 552, v, 203 p. ;23 cm.,
- Geological Survey (U.S.), 1926, Surface water supply of the United States, 1922 : Part 12, North Pacific drainage basins ; B. Snake River basin: U.S. Govt. Print. Off., Water Supply Paper 553, vi, 295 p. ;23 cm.,
- Geological Survey (U.S.), 1926, Surface water supply of the United States, 1922 : Part 12, North Pacific drainage basins ; C. Pacific slope basins in Oregon and lower Columbia River basin: U.S. Govt. Print. Off., Water Supply Paper 554, v, 186 p. ;23 cm.,
- Geological Survey (U.S.), 1926, Surface water supply of Hawaii : July 1, 1921 to June 30, 1922: U.S. G.P.O., Water Supply Paper 555, iv, 177 p. ;23 cm.,
- Geological Survey (U.S.), 1926, Surface water supply of the United States, 1923, Part II, South Atlantic slope and eastern Gulf of Mexico basins: U.S. Govt. Print. Off., Water Supply Paper 562, iv, 86 p. ;23 cm.,
- Geological Survey (U.S.), 1926, Surface water supply of the United States, 1923, Part III, Ohio River basin: U.S. Govt. Print. Off., Water Supply Paper 563, vi, 258 p. ;23 cm.,
- Geological Survey (U.S.), 1926, Surface water supply of the United States, 1923, Part IV, St. Lawrence River basin: U.S. Govt. Print. Off., Water Supply Paper 564, iv, 171 p. ;23 cm.,
- Geological Survey (U.S.), 1926, Surface water supply of the United States, 1923, Part V, Hudson Bay and upper Mississippi River basin: U.S. Govt. Print. Off., Water Supply Paper 565, v, 199 p. ;23 cm.,
- Geological Survey (U.S.), 1926, Surface water supply of the United States, 1923 : Part 12, North Pacific drainage basins ; A. Pacific drainage basins in Washington and upper Columbia River basin: U.S. Govt. Print. Off., Water Supply Paper 572, v, 193 p. ;23 cm.,
- Geological Survey (U.S.), 1926, Surface water supply of the United States, 1924 : Part 12, North Pacific drainage basins ; A. Pacific drainage basins in Washington and upper Columbia River basin: U.S. Govt. Print. Off., Water Supply Paper 592, v, 178 p. ;23 cm.,
- Gidley, J. W., 1926, Fossil Proboscidea and Edentata of the San Pedro Valley, Arizona: Professional Paper 140-B, p. 83-95,
- Henderson, C. W., 1926, Mining in Colorado, a history of discovery, development, and production: Professional Paper 138, 263 p.,
- Hess, F. L., 1926, Contributions to economic geology (short papers and preliminary reports), 1925, Part I, Metals and nonmetals except fuels. Platinum near Centennial, Wyoming: Bulletin 780-C, 127-135 p.,
- Hewett, D. F., 1926, Geology and oil and coal resources of the Oregon Basin, Meeteetse, and Grass Creek Basin quadrangles, Wyoming: Professional Paper 145, 111 p.,
- Hoots, H. W., 1926, Contributions to economic geology (short papers and preliminary reports), 1925, Part I, Metals and nonmetals except fuels. Geology of a part of western Texas and southeastern New Mexico, with special reference to salt and potash: Bulletin 780-B, 33-126 p.,
- Jones, Benjamin E.; Helland, Randolph Olaf., 1926, Preliminary index to river surveys made by the United States Geological Survey and other agencies: Govt. Print. Off., Water Supply Paper 558, iv, 108 p. :2 fold. col. maps (1 in pocket) ;23 cm.,
- Kellum, L. B., 1926, Paleontology and stratigraphy of the Castle Hayne and Trent marls in North Carolina: Professional Paper 143, 56 p.,
- Knopf, Adolph, 1926, Contributions to economic geology (short papers and preliminary reports), 1926, Part I, Metals and nonmetals except fuels. Recent developments in the Aspen district, Colorado: Bulletin 785-A, 1-28 p.,
- Lang, W. B., 1926, Contributions to economic geology (short papers and preliminary reports), 1926, Part I, Metals and nonmetals except fuels. Potash investigations in 1924: Bulletin 785-B, 29-43 p.,
- Lee, Wallace, 1926, Gillespie-Mount Olive folio, Illinois: Folios of the Geologic Atlas 220, 1 atlas (14 p., [4] leaves of plates) : ill., 4 col. maps ; 55 x 47 cm.,
- Lindgren, Waldemar; Heikes, V. C., 1926, Ore Deposits of the Jerome and Bradshaw Mountains Quadrangles, Arizona: U.S. Geological Survey Bulletin 782, Report: ix, 192 p.; Plates,
- Loughlin, G. F., 1926, Guides to ore in the Leadville district, Colorado: Govt. print. off., Bulletin 779, 37 p. illus., VII fold. pl. (incl. map in pocket),
- Loughlin, Gerald Francis; Mansfield, George Rogers, 1926, Contributions to economic geology (short papers and preliminary reports, 1925 : Part I. - Metals and nonmetals except fuels: U.S. G.P.O., Bulletin 780, 167 p. :ill., xix pl. (incl. some fold. maps) ;24 cm.,
- Loughlin, Gerald Francis; Mansfield, George Rogers, 1926, Contributions to economic geology (short papers and preliminary reports), 1926: Part I. - Metals and nonmetals except fuel: U.S. G.P.O., Bulletin 785, iii, 75 p. (some folded) :ill., maps ;23 cm.,
- Martin, George Curtis, 1926, The Mesozoic stratigraphy of Alaska: Govt. Print. Off., Bulletin 776, 493 p.,
- Miser, Hugh Dinsmore, 1926, Contributions to economic geology, 1925: Part II, Mineral fuels. Notes on Paleozoic rocks encountered in a well near Florence, Alabama: Bulletin 781-A, p. 11-12,
- Noble, L. F., 1926, Contributions to economic geology (short papers and preliminary reports), 1926, Part I, Metals and nonmetals except fuels. Borate deposits in the Kramer district, Kern County, California: Bulletin 785-C, 45-61 p.,
- Noble, L. F., 1926, Contributions to economic geology 1926: Part I, Metals and nonmetals except fuels. Note on a colemanite deposit near Shoshone, California, with a sketch of the geology of a part of Amargosa Valley: Bulletin 785-D, 75 p.,
- Pardee, J. T.; Bryan, Kirk; Knowlton, F. H., 1926, Geology of the Latah formation in relation to the lavas of Columbia Plateau near Spokane, Washington; and Flora of the Latah formation of Spokane, Washington, and Coeur d‘Alene, Idaho: Professional Paper 140-A, A1-A16 p.,
- Richards, R. W.; Pardee, J. T., 1926, Contributions to economic geology (short papers and preliminary reports), 1925, Part I, Metals and nonmetals except fuels. The Melrose phosphate field, Montana: Bulletin 780-A, 1-32 p.,
- Roundy, P. V.; Girty, G. H.; Goldman, M. I., 1926, Mississippian formations of San Saba County, Texas: Professional Paper 146, 63 p.,
- Schrader, F. C.; Ross, C. P., 1926, Contributions to economic geology, 1925: Part I, Metals and nonmetals except fuels. Antimony and quicksilver deposits in the Yellow Pine district, Idaho: Bulletin 780-D, 167 p.,
- Sears, J. D., 1926, Contributions to economic geology, 1925: Part II, Mineral fuels. Geology of the Baxter Basin gas field, Sweetwater County, Wyoming: Bulletin 781-B, 29 p.,
- Smith, Philip Sidney, 1926, Mineral resources of Alaska, report on progress of investigations in 1924. Mineral industry of Alaska in 1924 and administrative report: Bulletin 783-A, 1-39 p.,
- Smith, Philip Sidney and others, 1926, Mineral resources of Alaska : report on progress of investigations in 1924: U.S. G.P.O., Bulletin 783, 168, xvii p. :ill., vii pl. (incl. fold. maps) ;24 cm.,
- Smith, Philip Sidney; Mertie, J. B., Jr.; Foran, W. T., 1926, Mineral resources of Alaska, report on progress of investigations in 1924. Summary of recent surveys in northern Alaska: Bulletin 783-E, 151-166 p., 1 fig., 1 plate,
- Smith, Walter R.; Capps, Stephen Reid; Short, M. N., 1926, Mineral resources of Alaska, report on progress of investigations in 1924. Geology and oil development of the Cold Bay District. A ruby silver prospect in Alaska, upper Susitna Basin: Bulletin 783-C, 63-95 p.,
- Sterns, H. T.; Bryan, L. L., 1926, Preliminary report on the geology and water resources of the Mud Lake basin, Idaho: U.S. G.P.O., Water Supply Paper 560-D, p. 87-134; iii, 134 p. :ill., maps ;23 cm.; including title page, contents, list of illustrations, and index to volume,
- Thom, William Taylor, Jr., 1926, Contributions to economic geology (short papers and preliminary reports), 1925: Part II. - Mineral fuels: U.S. G.P.O., Bulletin 781, 29 p. (2 folded), [2] p. of plates :ill. ;24 cm.,
- Wade, Bruce, 1926, The fauna of the Ripley formation on Coon Creek, Tennessee: Professional Paper 137, 272 p.,
