- Babb, Cyrus Cates; Covert, Clermont Calvert; Bolster, Roy Hale, 1912, Surface water supply of the United States, 1911 : Part I, North Atlantic coast: U.S. G.P.O., Water Supply Paper 301, 221 p. :ill., maps ;23 cm.,
- Babb, Cyrus Cates; Covert, Clermont Calvert; Bolster, Roy Hale, 1912, Surface water supply of the United States, 1910, Part I, North Atlantic slope basins: U.S. G.P.O., Water Supply Paper 281, 303 p., 1 leaf :ill. ;24 cm.,
- Bagg, Rufus Mather, Jr., 1912, Pliocene and Pleistocene Foraminifera from southern California: Govt. Print. Off., Bulletin 513, 153 p. :ill. ;24 cm.,
- Barrows, Harold Kilbrith; Babb, Cyrus Cates, 1912, Water resources of the Penobscot River basin, Maine: Govt. print. off., Water Supply Paper 279, 285 p. :illus., plates, fold. maps, fold. diagrs. ;23 cm.,
- Boutwell, J. M.; with contributions by Woolsey, L. H., 1912, Geology and ore deposits of the Park City district, Utah: United States Government Printing Office Professional Paper 77, 231 p.,
- Brooks, A. H., 1912, Mineral resources of Alaska, report on progress of investigations in 1911--Preface and administrative report: Bulletin 520-A, p. 1-88,
- Brooks, A. H., 1912, Mineral resources of Alaska, report on progress of investigations in 1911--Gold deposits near Valdez: Bulletin 520-D, p. 108-130,
- Brooks, Alfred Hulse and others, 1912, Mineral resources of Alaska : report on progress of investigations in 1911: U.S. G.P.O., Bulletin 520, 460 p. (some folded) :ill., maps ;23 cm.,
- Butler, Bert Sylvenus; Gale, Hoyt Stoddard, 1912, Alunite--a newly discovered deposit near Marysvale, Utah: Govt. Print. Off., Bulletin 511, 64 p. :plates, map ;24 cm.,
- Calvert, W. R., 1912, Contributions to economic geology, 1910, Part II, Mineral fuels--Geology of certain lignite fields in eastern Montana: Bulletin 471-D, p. 187-358,
- Campbell, Marius Robinson, 1912, Contributions to economic geology (short papers and preliminary reports) 1910: Part II - mineral fuels: U.S. G.P.O., Bulletin 471, 663 p. (some folded) :ill. ;24 cm.,
- Capps, S. R., 1912, Mineral resources of Alaska, report on progress of investigations in 1911--Gold placers of the Yentna district: Bulletin 520-F, p. 174-200,
- Capps, Stephen Reid, 1912, The Bonnifield region, Alaska: Govt. print. off., Bulletin 501, 64 p. :plates, fold. maps (in pocket) diagrs. ;24 cm.,
- Clapp, W. B.; Henshaw, F. F.; McGlashan, H. D., 1912, Surface water supply of the United States, 1910 : Part 11. Pacific Coast in California: U.S. G.P.O., Water Supply Paper 291, 218 p. :ill. ;23 cm.,
- Covert, Clermont Calvert, 1912, Surface water supply of the United States, 1910, Part IV, St. Lawrence River basin: U.S. G.P.O., Water Supply Paper 284, 125 p. :ill. ;23 cm.,
- Dale, T. Nelson, 1912, The commercial marbles of western Vermont: Govt. print. off., Bulletin 521, 170 p. :plates, fold. maps, diagrs. (part fold., part col.) ;24 cm.,
- Davis, J. A., 1912, Contributions to economic geology, 1910, Part II, Mineral fuels--The Little Powder River coal field, Campbell County, Wyoming: Bulletin 471-F, p. 423-515,
- Eakin, H. M., 1912, Mineral resources of Alaska, report on progress of investigations in 1911--The Rampart and Hot Springs regions: Bulletin 520-I, p. 271-286,
- Ellsworth, C. E.; Porter, E. A., 1912, Mineral resources of Alaska : report on progress of investigations in 1911 -- Placer mining and water supply of the Fairbanks, Circle, Fortymile, Eagle, and Seventymile River districts, Alsaka: Bulletin 520-H, p. 211-270,
- Fuller, Myron Leslie, 1912, The New Madrid earthquake: Central United States Earthquake Consortium [and] National Center for Earthquake Engineering Research, Bulletin 494, 119 p. ill., maps ;22 cm.; Reprint 1992,
- Fuller, Myron Leslie; Clapp, F. G.; Dole, Richard B., 1912, The underground waters of southwestern Ohio, with a discussion of the chemical character of the waters: Govt. print. off., Water Supply Paper 259, 228 p. :plates, fold. maps, diagrs. ;24 cm.,
- Gale, Hoyt Stoddard, 1912, Nitrate deposits: Govt. Print. Off., Bulletin 523, 36 p. :ill., pl., fold. map ;24 cm.,
- Geological Survey (U.S.), 1912, Petroleum and natural gas in Kentucky: Bulletin 471-A1, p. 9-29,
- Geological Survey (U.S.), 1912, Petroleum and natural gas in Alabama: Bulletin 471-A2, p. 30-55,
- Geological Survey (U.S.), 1912, Petroleum and natural gas in Wyoming: Bulletin 471-A3, p. 56-75,
- Geological Survey (U.S.), 1912, Petroleum and natural gas in Utah: Bulletin 471-A4, p. 76-105,
- Geological Survey (U.S.), 1912, Petroleum and natural gas in California: Bulletin 471-A5, p. 106-136,
- Geological Survey (U.S.), 1912, Contributions to economic geology, 1910, Part II, Mineral fuels--Miscellaneous analyses of coal samples from various fields of the United States: Bulletin 471-J, p. 629-663,
- Geological Survey (U.S.), 1912, Surface water supply of the United States, 1910, Part V, Hudson Bay and upper Mississippi River basin: U.S. Govt. Print. Off., Water Supply Paper 285, 318 p. ;23 cm.,
- Geological Survey (U.S.), 1912, Surface water supply of the United States, 1910, Part VI, Missouri River basin: U.S. Govt. Print. Off., Water Supply Paper 286, vii, 308 p. ;23 cm.,
- Geological Survey (U.S.), 1912, Surface water supply of the United States, 1910, Part VIII, Western Gulf of Mexico basins: U.S. Govt. Print. Off., Water Supply Paper 288, 149 p. ;23 cm.,
- Hall, M. R.; Mathers, J. G., 1912, Surface water supply of the United States, 1910, Part II, South Atlantic slope and eastern Gulf of Mexico basins: U.S. G.P.O., Water Supply Paper 282, 109 p. :ill. ;23 cm.,
- Harder, Edmund Cecil, 1912, Iron-ore deposits of the Eagle Mountains, California: Govt. Print. Off., Bulletin 503, 81 p. :ill. (maps, diagrs.) plates, fold. maps (3 in pocket) ;24 cm.,
- Hess, F. L., 1912, Mineral resources of Alaska, report on progress of investigations in 1911--Tin resources of Alaska: Bulletin 520-B, p. 89-92,
- Hill, James M.; Lindgren, Waldemar, 1912, The mining districts of the Western United States: Govt. Print. Off., Bulletin 507, 309 p. :illus., XVI fold. maps. ;24 cm.,
- Horton, A. H.; Hall, M. R.; Jackson, H. J., 1912, Surface water supply of the United States, 1910, Part III, Ohio River basin: U.S. G.P.O., Water Supply Paper 283, 158 p. :ill. ;23 cm.,
- Hoyt, J. C.; McGlashan, H. D.; Henshaw, F. F., 1912, Water resources of California, Part I, Stream measurements in Sacramento River basin: U.S. G.P.O., Water Supply Paper 298, 411 p. :ill., maps ;23 cm.,
- Hoyt, J. C.; McGlashan, Harry Deyoe; Dean, H. J., 1912, Water resources of California, Part II, Stream measurements in San Joaquin River basin: U.S. G.P.O., Water Supply Paper 299, 439 p. :ill. ;23 cm.,
- Johnson, B. L., 1912, Mineral resources of Alaska, report on progress of investigations in 1911--Gold deposits of the Seward-Sunrise region, Kenai Peninsula: Bulletin 520-E, p. 131-173,
- Kindle, Edward Martin, 1912, The Onondaga fauna of the Allegheny region: Govt. Print. Off., Bulletin 508, 144 p. :ill., plates., fold. diagr. ;24 cm.,
- Knopf, Adolph, 1912, The Eagle River region, southeastern Alaska: Govt. print. off., Bulletin 502, 61 p. :2 pl., 3 fold. maps (2 in pocket) diagrs. ;24 cm.,
- Knopf, Adolph, 1912, The Sitka mining district, Alaska: Govt. print. off., Bulletin 504, 32 p. :illus., fold. map. ;23 cm.,
- La Rue, E. C.; Henshaw, F. F.; Porter, E. A., 1912, Surface water supply of the United States, 1910: Part 10, The Great Basin: U.S. Govt. Print. Off., Water Supply Paper 290, 264 p. ;23 cm.,
- Lee, Charles H., 1912, An intensive study of the water resources of a part of Owens Valley, California: Govt. Print. Off., Water Supply Paper 294, 135 p.,
- Lee, Willis Thomas, 1912, Coal fields of Grand Mesa and the West Elk Mountains, Colorado: Government print. off., Bulletin 510, 237 p. :illus., plates, map (in pocket) diagrs. ;24 cm.,
- Leighton, Marshall Ora; Freeman, William B., 1912, Surface water supply of the United States, 1910, Part IX, Colorado River basin: U.S. Govt. Print. Off., Water Supply Paper 289, 233 p., [4] leaves of plates :ill. ;24 cm.,
- Leonard, A. G.; Alden, W. C., 1912, Bismarck folio, North Dakota: Folios of the Geologic Atlas 181, 8 p. illus., 2 col. maps. 55 x 47 cm.,
- Loughlin, G. F., 1912, The gabbros and associated rocks at Preston, Connecticut: Govt. Print.Off., Bulletin 492, 158 p. :ill., plates, 4 fold maps (in pocket) fold diagr. ;24 cm.,
- Lupton, C. T., 1912, Contributions to economic geology, 1910, Part II, Mineral fuels--The Deep Creek district of the Vernal coal field, Uintah County, Utah: Bulletin 471-I, p. 579-628,
- Maddren, A. G., 1912, Mineral resources of Alaska, report on progress of investigations in 1911--The Ruby placer district: Bulletin 520-J, p. 287-296,
- Maddren, A. G., 1912, Mineral resources of Alaska, report on progress of investigations in 1911--Geologic investigations along the Canada-Alaska boundary: Bulletin 520-K, p. 297-314,
- Marshall, Robert Bradford, 1912, Results of triangulation and primary traverse for the years 1909 and 1910: U.S. G.P.O., Bulletin 496, 392 p., 1 leaf of plate :1 col. folded map ;24 cm.,
- Marshall, Robert Bradford, 1912, Results of spirit leveling in New York, 1906 to 1911, inclusive: Govt. Print. Off., Bulletin 514, 139 p. ;24 cm.,
- Marshall, Robert Bradford, 1912, Results of spirit leveling in Pennsylvania, 1899 to 1911, inclusive: Govt. Print. Off., Bulletin 515, 164 p. ;24 cm.,
- Marshall, Robert Bradford, 1912, Results of spirit leveling in Florida, 1911: Govt. Print. Off., Bulletin 516, 24 p. :pl. ;24 cm.,
- Marshall, Robert Bradford, 1912, Results of spirit leveling in Alabama, 1911: U.S. Govt. Print. Off., Bulletin 517, 38 p. :pl. ;24 cm.,
- Marshall, Robert Bradford, 1912, Results of spirit leveling in Ohio, 1911: Govt. Print. Off., Bulletin 518, 108 p. :pl. ;24 cm.,
- Marshall, Robert Bradford, 1912, Results of spirit leveling in Tennessee, 1910 and 1911: Govt. Print. Off., Bulletin 519, 45 p. :pl. ;24 cm.,
- Martin, George Curtis; Katz, Frank James, 1912, A geologic reconnaissance of the Iliamna region, Alaska: Govt. print. off., Bulletin 485, 138 p. :illus., plates, fold. maps, fold. tables, diagrs. ;24 cm.,
- Martin, George Curtis; Katz, Frank James, 1912, Geology and coal fields of the lower Matanuska Valley, Alaska: Govt. Print. Off., Bulletin 500, 98 p., 16 leaves of plates :ill., maps (some col., some folded) ;24 cm.,
- McGlashan, H. D.; Bolster, R. H., 1912, Surface water supply of the United States, 1911 : Part 11. Pacific Coast in California: U.S. G.P.O., Water Supply Paper 311, 304 p. :map ;23 cm.,
- Miller, B. L., 1912, Choptank folio, Maryland: Folios of the Geologic Atlas 182, 1 atlas (8 p., [2] leaves of plates) : ill., 2 col. maps ; 55 x 47 cm.,
- Miser, Hugh D., 1912, Contributions to economic geology, 1911, Part I, Metals and nonmetals except fuels: Developed deposits of Fuller‘s earth in Arkansas: U.S. Govt. Print. Off., Bulletin 530-Q, 16 p.,
- Moffit, F. H., 1912, Mineral resources of Alaska, report on progress of investigations in 1911--The Taral and Bremner River districts: Bulletin 520-C, p. 93-107,
- Moffit, Fred Howard, 1912, Headwater regions of Gulkana and Susitna Rivers, Alaska, with accounts of the Valdez Creek and Chistochina placer districts: Govt. Print. Off., Bulletin 498, 82 p.,
- Munn, M. J., 1912, Contributions to economic geology, 1910, Part II, Mineral fuels--Introduction: Bulletin 471-A, p. 1-136,
- Munn, Malcolm John, 1912, Claysville folio, Pennsylvania: Folios of the Geologic Atlas 180, 1 atlas (14 p., [5] leaves of plates) : ill., 4 col. maps ; 55 x 47 cm.,
- Nickles, John M., 1912, Bibliography of North American geology for 19ll, with subject index: U.S. G.P.O., Bulletin 524, 162 p. ;24 cm.,
- Norton, William Harmon; Hendrixson, W. S.; Simpson, Howard E.; Meinzer, O. E. and others, 1912, Underground water resources of Iowa: Govt. Print. Off., Water Supply Paper 293, 994 p.,
- Paige, Sidney, 1912, Llano-Burnet folio, Texas: Folios of the Geologic Atlas 183, 1 atlas (16 p., [7] leaves of plates) : ill., 6 col. maps ; 55 x 47 cm.,
- Pepperberg, L. J., 1912, Contributions to economic geology, 1910, Part II, Mineral fuels--The southern extension of the Milk River coal field, Chouteau County, Montana: Bulletin 471-E, p. 359-422,
- Phalen, William Clifton, 1912, Kenova folio, Kentucky-West Virginia-Ohio: Folios of the Geologic Atlas 184, 1 atlas (16 p., [4] leaves of plates) : ill., 3 col. maps ; 55 x 47 cm.,
- Pishel, M. A., 1912, Contributions to economic geology, 1910, Part II, Mineral fuels--Lignite in the Fort Berthold Indian Reservation, North Dakota, north of Missouri River: Bulletin 471-C, p. 170-186,
- Prindle, L. M.; Mertie, J. B., Jr., 1912, Mineral resources of Alaska, report on progress of investigations in 1911--Gold placers between Woodchopper and Fourth of July Creeks, upper Yukon River: Bulletin 520-G, p. 201-210,
- Schaller, Waldemar Theodore, 1912, Mineralogical notes, series 2: U.S. G.P.O., Bulletin 509, 115 p., 1 leaf of plate :ill. ;24 cm.,
- Schrader, Frank Charles, 1912, A reconnaissance of the Jarbidge, Contact and Elk Mountain mining districts, Elko County, Nevada: Govt. Print. Off., Bulletin 497, 162 p. :ill., plates (part col.) fold. maps ;24 cm.,
- Schultz, Alfred Reginald; Cross, Whitman, 1912, Potash-bearing rocks of the Leucite Hills, Sweetwater County, Wyoming: Govt. Print. Off., Bulletin 512, 39 p. :ill., fold. map. ;24 cm.,
- Shaw, Eugene Wesley; Savage, Thomas Edmund, 1912, Murphysboro-Herrin folio, Illinois: Folios of the Geologic Atlas 185, 1 atlas (15 p., [6] leaves of plates) : ill., 6 col. maps ; 55 cm.,
- Smith, P. S., 1912, Mineral resources of Alaska, report on progress of investigations in 1911--The Alatna-Noatak region: Bulletin 520-L, p. 315-338,
- Smith, P. S., 1912, Mineral resources of Alaska, report on progress of investigations in 1911--Notes on mining in Seward Peninsula: Bulletin 520-M, p. 339-352,
- Stone, R. W., 1912, Contributions to economic geology, 1910, Part II, Mineral fuels--Coal on Dan River, North Carolina: Bulletin 471-B, p. 137-169,
- Stone, Ralph Walter, 1912, Coal near the Black hills, Wyoming-South Dakota: Govt. Print. Off., Bulletin 499, 66 p.,
- Stose, George Willis, 1912, Apishapa folio, Colorado: Folios of the Geologic Atlas 186, 1 atlas (12 p., [4] leaves of plates) : ill., 3 col. maps ; 55 x 47 cm.,
- Stose, George Willis; Swartz, Charles Kephart, 1912, PawPaw-Hancock folio, Maryland-West Virginia-Pennsylvania: Folios of the Geologic Atlas 179, 1 atlas (24 p., [9] leaves of plates) : ill., 6 col. maps ; 55 x 47 cm.,
- Tarr, R. S.; Martin, Lawrence; preface by Gilbert, G. K., 1912, The earthquakes at Yakutat Bay, Alaska, in September, 1899: Professional Paper 69, 135 p.,
- Udden, Johan August, 1912, Geology and mineral resources of the Peoria quadrangle, Illinois: Govt. Print. Off., Bulletin 506, 103 p. :plates. fold. maps (2 in pocket) diagrs. (1 fold.) ;24 cm.,
- Walcott, Charles D., 1912, Cambrian Brachiopoda: Govt. print. off., Monograph 51, 2 v. ; Part I, 872 p.; Part II, 363 p.,
- Watson, Thomas L.; Hess, Frank L., 1912, Contributions to economic geology, 1911, Part I, Metals and nonmetals except fuels: Zirconiferous Sandstone Near Ashland Virginia: U.S. Govt. Print. Off., Bulletin 530-P, 9 p.,
- Weed, W. H., 1912, Geology and ore deposits of the Butte district, Montana: Professional Paper 74, 262 p.,
- Willis, Bailey; Stose, G. W., 1912, Index to the stratigraphy of North America: Professional Paper 71, 894 p.,
- Wood, Beatrice Dawson, 1912, Gaging stations maintained by the United States Geological Survey, 1888-1910, and Survey publications relating to water resources: U.S. Govt. Print. Off., Water Supply Paper 280, 102 p. ;24 cm.,
- Wood, Beatrice Dawson; Hoyt, J. C., 1912, Gazetteer of surface waters of California Part I: Sacramento River basin: Govt. Print. Off., Water Supply Paper 295, 3 v 99 p. (WSP 295-297). ;23 cm.,
- Wood, Beatrice Dawson; Hoyt, J. C., 1912, Gazetteer of surface waters of California Part II: San Joaquin River basin: Govt. Print. Off., Water Supply Paper 296, 3 v 102 p. (WSP 295-297). ;23 cm.,
- Woodruff, E. G., 1912, Contributions to economic geology, 1910, Part II, Mineral fuels--The coal resources of Gunnison Valley, Mesa and Delta counties, Colorado: Bulletin 471-H, p. 565-578,
- Woodruff, E. G.; Winchester, D. E., 1912, Contributions to economic geology, 1910, Part II, Mineral fuels-- Coal fields of the Wind River region, Fremont and Natrona counties, Wyoming: Bulletin 471-G, p. 516-564,
