- Allison, Richard C.; Marincovich, Louie, 1981, A late Oligocene or earliest Miocene molluscan fauna from Sitkinak Island, Alaska: U.S. Geological Survey, Professional Paper 1233, 11 p.; 3 plates,
- Bateman, Paul Charles; Sawka, Wayne N., 1981, Raymond Quadrangle, Madera and Mariposa counties, California; analytic data: U.S. G.P.O., Professional Paper 1214, 16 p.,
- Black, D. F. B.; MacQuown, W. C., Jr.; De Haas, R. J., 1981, The relation of dolomite associated with faults to the stratigraphy and structure of central Kentucky: Professional Paper 1151-A, p. A1- A19,
- Calkins, James Alfred; Jamiluddin, S.; Bhuyan, Kamaluddin; Hussain, Ahmad, 1981, Geology and mineral resources of the Chitral-Partsan area, Hindu Kush Range, northern Pakistan: U.S. Govt. Print. Off. ;
for sale by the Distribution Branch, U.S. Geological Service, Professional Paper 716-G, 32 p.; 2 plates in pocket,
- Clark, Joseph C., 1981, Stratigraphy, paleontology, and geology of the central Santa Cruz Mountains, California Coast Ranges: U.S. Dept. of the Interior, Geological Survey, Professional Paper 1168, 51 p.; 2 plates in pocket,
- Colman, S. M.; Pierce, K. L., 1981, Weathering rinds on andesitic and basaltic stones as a Quaternary age indicator, Western United States: Professional Paper 1210, 56 p.,
- Compiled by Hill, Thelma P., 1981, Chemical composition of sedimentary rocks in California and Hawaii: U.S. G.P.O., Professional Paper 1097, 145 p.,
- Cox, Dennis P.; Wright, Nancy A.; Coakley, George J., 1981, The Nature and Use of Copper Reserve and Resource Data: U.S. Geological Survey Professional Paper 907-F, vi, 19 p.,
- Cressman, Earle Rupert, 1981, Surface geology of the Jeptha Knob cryptoexplosion structure, Shelby County, Kentucky: U.S. G.P.O., Professional Paper 1151-B, B1-B16 p.; 1 plate in pocket,
- Dalrymple, G. Brent; Alexander, E. C.; Lanphere, M. A.; Kraker, G. P., 1981, Irradiation of samples for 40Ar/39Ar dating using the Geological Survey TRIGA reactor: U.S. G.P.O. :
for sale by the Supt. of Docs., G.P.O., Professional Paper 1176, 55 p.,
- Delaney, Paul T.; Pollard, David D., 1981, Deformation of host rocks and flow of magma during growth of minette dikes and breccia-bearing intrusions near Ship Rock, New Mexico: U.S. G.P.O., Professional Paper 1202, 61 p.; 1 plate in pocket,
- Drake, Avery Ala; Lyttle, Peter T., 1981, The Accotink Schist, Lake Barcroft Metasandstone, and Popes Head Formation; keys to an understanding of the tectonic evolution of the northern Virginia Piedmont: U.S. G.P.O. :
for sale by the Branch of Distribution, U.S. Geological Survey, Professional Paper 1205, 16 p.; 1 plate in pocket,
- Drewes, Harald D., 1981, Tectonics of southeastern Arizona: G.P.O., Professional Paper 1144, 96 p.; 10 plates in pocket,
- Edited by Armstrong, F. C., 1981, Genesis of uranium- and gold-bearing Precambrian quartz-pebble conglomerates: Professional Paper 1161-A-BB, NA,
- Edited by Hays, Walter W., 1981, Facing geologic and hydrologic hazards; earth-science considerations: U.S. G.P.O., Professional Paper 1240-B, p. B1-B108,
- Edited by Lipman, Peter W.; Mullineaux, Donal Ray, 1981, The 1980 eruptions of Mount St. Helens, Washington: U.S. G.P.O., Professional Paper 1250, 844 p.; 1 plate in pocket,
- Edited by McLaughlin, Robert J.; Donnelly-Nolan, Julie M., 1981, Research in the Geysers-Clear Lake geothermal area, Northern California: Professional Paper 1141, 259 p.,
- edited by Ulrich, George E.; Hodges, Carroll Ann; Muehlberger, William R., 1981, Geology of the Apollo 16 area, Central Lunar Highlands: U.S. G.P.O. :
For sale by the Supt. of Docs., Professional Paper 1048, NA,
- Ericksen, George Edward, 1981, Geology and origin of the Chilean nitrate deposits: U.S. G.P.O. :
for sale by the Supt. of Docs., GPO, Professional Paper 1188, 37 p.,
- Evernden, J. F.; Kohler, W. M.; Clow, Gary D., 1981, Seismic intensities of earthquakes of conterminous United States; their prediction and interpretation: U.S. G.P.O., Professional Paper 1223, 56 p.; 5 plates in pocket,
- Gates, Olcott; Moench, R. H., 1981, Bimodal Silurian and Lower Devonian volcanic rock assemblages in the Machias-Eastport area, Maine: Professional Paper 1184, 32 p.,
- Gough, L. P.; Severson, R. C., 1981, Geochemical variability of natural soils and reclaimed minespoil soils in the San Juan Basin, New Mexico: Professional Paper 1134-C, 39 p.,
- Gough, L. P.; Severson, R. C., 1981, Biogeochemical variability of plants at native and altered sites, San Juan Basin, New Mexico: Professional Paper 1134-D, 26 p.,
- Harp, Edwin L.; Wilson, Raymond C.; Wieczorek, Gerald F., 1981, Landslides from the February 4, 1976, Guatemala earthquake: U.S. G.P.O. :
for sale by the Branch of Distribution, U.S. Geological Survey, Professional Paper 1204-A, 35 p.; 2 plates in pocket,
- Hauth, L. D.; Carswell, W. J., Jr.; Chin, E. H., 1981, Floods in Kansas City, Missouri and Kansas, September 12-13, 1977: Professional Paper 1169, 47 p.,
- Hietanen, Anna Martta, 1981, Petrologic and structural studies in the northwestern Sierra Nevada, California: U.S. G.P.O. :
For sale by the Supt. of Docs., U.S. G.P.O., Professional Paper 1226-A-C, 59 p.,
- Himmelberg, G. R.; Loney, R. A., 1981, Petrology of the ultramafic and gabbroic rocks of the Brady Glacier nickel-copper deposit, Fairweather Range, southeastern Alaska: Professional Paper 1195, 26 p.,
- Huber, N. King, 1981, Amount and timing of late Cenozoic uplift and tilt of the central Sierra Nevada, California; evidence from the upper San Joaquin River basin: U.S. G.P.O. :
For sale by the Supt. of Docs., U.S. G.P.O., Professional Paper 1197, 28 p.,
- Huddle, John Warfield; Repetski, John E., 1981, Conodonts from the Genesee Formation in western New York: GPO, Professional Paper 1032-B, p. B1-B66; 7 tables and 1 plate in pocket,
- Imlay, Ralph Willard, 1981, Jurassic (Bathonian and Callovian) ammonites in eastern Oregon and western Idaho: G.P.O., Professional Paper 1142, 24 p.,
- Imlay, Ralph Willard, 1981, Early Jurassic ammonites from Alaska: U.S. G.P.O. :
For sale by the Supt. of Docs., U.S. G.P.O., Professional Paper 1148, 49 p.,
- Imlay, Ralph William, 1981, Late Jurassic ammonites from Alaska: U.S. G.P.O., Professional Paper 1190, 40 p; 12 plates,
- James, H. L., 1981, Bedded Precambrian iron deposits of the Tobacco Root Mountains, southwestern Montana: Professional Paper 1187, 16 p.; 1 plate in pocket,
- Keith, T. E.; Foster, H. L.; Foster, R. L.; Post, E. V.; Lehmbeck, W. L., 1981, Geology of an alpine-type peridotite in the Mount Sorenson area, east-central Alaska: Professional Paper 1170-A, p. A1-A9,
- Koteff, Carl; Pessl, Fred, 1981, Systematic ice retreat in New England: U.S. G.P.O. :
For sale by the Supt. of Docs., Professional Paper 1179, 20 p.,
- MacLeod, N. S., 1981, Differentiation of a gabbro sill in the Oregon Coast Range by crystallization-zone settling: Professional Paper 1165, 22 p.,
- Nokleberg, W. J., 1981, Stratigraphy and structure of the Strawberry Mine roof pendant, central Sierra Nevada, California: Professional Paper 1154, 18 p.,
- Norton, Daniel R.; Friedman, Irving; Olmsted, F. H., 1981, Ground temperature measurements: U.S. G.P.O., Professional Paper 1203, 39 p.,
- Olson, J. C.; Hedlund, D. C., 1981, Alkalic rocks and resources of thorium and associated elements in the Powderhorn District, Gunnison County, Colorado: Professional Paper 1049-C, p. C1-C34,
- Osterwald, F. W.; Maberry, J. O.; Dunrud, C. R.; Duguid, J. O., Jr., 1981, Bedrock, surficial, and economic geology of the Sunnyside coal-mining district, Carbon and Emery Counties, Utah, with a section on Early man in the Sunnyside area: Professional Paper 1166, 68 p.; 2 plates in pocket,
- Parsley, R. L., 1981, Echinoderms from Middle and Upper Ordovician rocks of Kentucky: Professional Paper 1066-K, p. K1-K9; 1 plate,
- Pavlides, Louis, 1981, The central Virginia volcanic-plutonic belt; an island arc of Cambrian(?) age: Professional Paper 1231-A, p. A1-A34,
- Peterman, Z. E.; Bunker, C. M.; Bush, C. A.; Bryant, Bruce; Marvin, R. F.; Naeser, C. W.; Mehnert, H. H.; Izett, G. A.; Obradovich, J. D.; Cebula, G. T., 1981, Shorter contributions to isotope research in the Western United States, 1980: Professional Paper 1199-A-E, 47 p.,
- Peterson, Warren Lee, 1981, Lithostratigraphy of the Silurian rocks exposed on the west side of the Cincinnati Arch in Kentucky: U.S. G.P.O. ;
for sale by the Distribution Branch, U.S. Geological Survey, Professional Paper 1151-C, p. C1-C29.; 2 plates in pocket,
- Poore, R. Z.; Stone, S. M., 1981, Biostratigraphy and paleoecology of the upper Miocene (Messinian) and lower Pliocene(?) Cerro de Almendral section, Almeria Basin, southern Spain: Professional Paper 774-F, 10 p.; 2 plates,
- Robson, S. G.; Saulnier, G. J., Jr., 1981, Hydrogeochemistry and simulated solute transport, Piceance Basin, northwestern Colorado: Professional Paper 1196, 65 p.,
- Sammel, Edward A.; Craig, Robert W., 1981, The geothermal hydrology of Warner Valley, Oregon; a reconnaissance study: U.S. G.P.O., Professional Paper 1044-I, 147 p.; 1 plate in pocket,
- Schoellhamer, J. E.; Vedder, J. G.; Yerkes, R. F.; Kinney, D. M., 1981, Geology of the northern Santa Ana Mountains, California: Professional Paper 420-D, p. D1-D109; 4 plates in pocket,
- Smith, C. C., 1981, Calcareous nannoplankton and stratigraphy of late Turonian, Coniacian, and early Santonian age of the Eagle Ford and Austin groups of Texas: Professional Paper 1075, 98 p.; 16 plates,
- Spicer, Robert A., 1981, The sorting and deposition of allochthonous plant material in a modern environment at Silwood Lake, Silwood Park, Berkshire, England: U.S. Govt. Print. Off. :
for sale by the Supt. of Docs., Professional Paper 1143, 77 p.,
- Stern, T. W.; Bateman, P. C.; Morgan, B. A.; Newell, M. F.; Peck, D. L., 1981, Isotopic U-Pb ages of zircon from the granitoids of the central Sierra Nevada, California: U.S. G.P.O., Professional Paper 1185, 17 p.; 1 plate in pocket,
- Stuckless, J. S.; Miesch, A. T., 1981, Petrogenetic modeling of a potential uranium source rock, Granite Mountains, Wyoming: Professional Paper 1225, 34 p.,
- Wahlstrom, Ernest Eugene, 1981, Summary of the engineering geology of the Harold D. Roberts Tunnel, Colorado: G.P.O., Professional Paper 831-E, 14 p.; 2 plates in pocket,
- Wahlstrom, Ernest Eugene; Robinson, Charles Sherwood; Hornback, V. Quentin, 1981, Geology of the western part of the Harold D. Roberts Tunnel, Colorado (Stations 0+00 to 690+00): U.S. Govt. Print. Off., Professional Paper 831-C, 57 p.; 11 plates in pocket,
- Warner, Lawrence Allen; Robinson, Charles Sherwood, 1981, Geology of the eastern part of the Harold D. Roberts Tunnel, Colorado (Stations 690+00 to 1238+58): U.S. G.P.O., Professional Paper 831-D, 30 p.; 5 plates in pocket,
- Wigley, R. L.; Theroux, R. B., 1981, Atlantic continental shelf and slope of the United States; macrobenthic invertebrate fauna of the Middle Atlantic Bight region; faunal composition and quantitative distribution: Professional Paper 529-N, 197 p.,
- Wolfe, Edward W.; Bailey, N. G.; Lucchitta, B. K.; Muehlberger, W. R.; Scott, D. H.; Sutton, R. L.; Wilshire, H. G.; Batson, R. M.; Larson, K. B.; Tyner, R. L., 1981, The geologic investigation of the Taurus-Littrow Valley; Apollo 17 landing site, with a section on Apollo 17 lunar surface photography: U.S. G.P.O., Professional Paper 1080, 280 p.; 9 plates in separate cover,
- Zen, E-an, 1981, Metamorphic mineral assemblages of slightly calcic pelitic rocks in and around the Taconic Allochthon, southwestern Massachusetts and adjacent Connecticut and New York: G.P.O., Professional Paper 1113, 128 p.,
