21. Middle Eocene dicotyledonous plants from Republic, northeastern Washington / by Jack A. Wolfe and Wesley Wehr. Wolfe, Jack A., 1936- [Reston, Va.] : Department of the Interior, U.S. Geological Survey, 1987.[Washington, D.C.] : United States Government Printing Office. Book Online
22. Mineral resources of the Mount Zirkel Wilderness and northern Park Range vicinity, Jackson and Routt counties, Colorado / by George L. Snyder, Lowell L. Patten, Jeffrey J. Daniels. Snyder, George L. (George Leonard), 1927- [Reston, Va.] : Department of the Interior, U.S. Geological Survey, 1987.Washington : United States Government Printing Office. Book Online
23. Soils developed in granitic alluvium near Merced, California / by J.W. Harden. Harden, J. W. (Jennifer Willa), 1954- [Reston, Va.] : Department of the Interior, U.S. Geological Survey, 1987.Washington : United States Government Printing Office. Book Online
24. Soils in granitic alluvium in humid and semiarid climates along Rock Creek, Carbon County, Montana / by Marith C. Reheis. Reheis, Marith C. [Reston, Va.] : Department of the Interior, U.S. Geological Survey, 1987.Washington : United States Government Printing Office. Book Online
25. Studies in diagenesis : papers presented at a U.S. Geological Survey workshop on diagenesis in sedimentary rocks, Golden, Colorado, March 1982 / Frederick A. Mumpton, Marc W. Bodine, Jr. [Reston, Va.] : Department of the Interior, U.S. Geological Survey, 1986.Washington : United States Government Printing Office. Book Online
26. Uranium in the Monterey Formation of California / by David L. Durham. Durham, David L., 1925- [Reston, Va.] : Department of the Interior, U.S. Geological Survey, 1987.Washington : United States Government Printing Office. Book Online
27. Age and correlation of Cretaceous rocks previously assigned to the Morrison(?) Formation, Sanpete-Sevier Valley area, central Utah / by Irving J. Witkind, Larry A. Standlee, and Kevin F. Maley. Witkind, Irving J. (Irving Jerome), 1917-2008 [Reston, Va.] : Department of the Interior, U.S. Geological Survey, 1986.Washington : United States Government Printing Office. Book Online
28. Engineering geology of the Government Hill area, Anchorage, Alaska / by Randall G. Updike and Bruce A. Carpenter. Updike, Randall G. [Reston, Va.] : Department of the Interior, U.S. Geological Survey, 1986.Washington : United States Government Printing Office. Book Online
29. Geologic studies of the Lower Cook Inlet COST No. 1 well, Alaska Outer Continental Shelf / Leslie B. Magoon, editor. [Reston, Va.] : Department of the Interior, U.S. Geological Survey, 1986.[Washington, D.C.] : United States Government Printing Office. Book Online
30. Geology and mineralogy of the Apex Mine, Washington County, Utah / by Lawrence R. Bernstein. Bernstein, Lawrence R. [Reston, Va.] : Department of the Interior, U.S. Geological Survey, 1986.Washington : United States Government Printing Office. Book Online
31. Geology and mineral resource potential of Seven Roadless Areas in the Apalachicola National Forest, Liberty County, Florida / by Sam H. Patterson, C.C. Cameron, and Walter Schmidt. Patterson, Sam H. (Sam Hunting), 1918-2004 [Reston, Va.] : Department of the Interior, U.S. Geological Survey, 1986.[Washington, D.C.] : United States Government Printing Office. Book Online
32. Geology of the Marshall Quadrangle, Fauquier County, Virginia / by Gilbert H. Espenshade. Espenshade, Gilbert H., 1912-1993 [Reston, Va.] : United States Department of the Interior, Geological Survey, 1986.Washington : United States Government Printing Office Book Online
33. The geology of west-central Baja California Sur, Mexico / by Hugh McLean, B.P. Hausback, and J.H. Knapp. McLean, Hugh, 1939- [Reston, Va.] : Department of the Interior, U.S. Geological Survey, 1986.Washington : United States Government Printing Office. Book Online
34. Lexicon of new formal geologic names of the United States, 1976-1980 / by Gwendolyn W. Luttrell, Marilyn L. Hubert, and Virginia M. Jussen. Luttrell, Gwendolyn Lewise Werth, 1927- Washington, D.C. : Department of the Interior, U.S. Geological Survey, 1986.Washington : United States Government Printing Office. Book Online
35. Mineral resource potential and geology of the Black Hills National Forest, South Dakota and Wyoming / by Ed DeWitt [and three others] ; with a section on Salable commodities by John S. Dersch. DeWitt, Ed [Reston, Va.] : Department of the Interior, U.S. Geological Survey, 1986.Washington : United States Government Printing Office. Book Online
36. Mineral resources of the eastern part of the Sawtooth National Recreation Area, Custer and Blaine Counties, Idaho / by the U.S. Geological Survey. [Reston, Va.] : Department of the Interior, U.S. Geological Survey, 1986.Washington : United States Government Printing Office. Book Online
37. Reference samples in geology and geochemistry / by F.J. Flanagan. Flanagan, F. J. (Francis James), 1915- [Reston, Va.] : Department of the Interior, U.S. Geological Survey, 1986.[Washington, D.C.] : United States Government Printing Office. Book Online
38. Soil development and its relation to the age of morphostratigraphic units in Horry County, South Carolina / by H.W. Markewich [and five others]. Markewich, Helaine W. [Reston, Va.] : Department of the Interior, U.S. Geological Survey, 1986.[Washington, D.C.] : United States Government Printing Office. Book Online
39. Soils developed on coastal and fluvial terraces near Ventura, California / by J.W. Harden, A.M. Sarna-Wojcicki, and G.R. Dembroff. Harden, J. W. (Jennifer Willa), 1954- [Reston, Va.] : Department of the Interior, U.S. Geological Survey, 1986.Washington : United States Government Printing Office. Book Online
40. A study of rock stresses and engineering geology in quarries of the Barre granite of Vermont / by Thomas C. Nichols, Jr. Nichols, Thomas C. [Reston, Va.] : Department of the Interior, U.S. Geological Survey, 1986.Washington : United States Government Printing Office. Book Online