1. 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
2. New names for units in the lower part of the Green River Formation, Piceance Creek Basin, Colorado / by Ronald C. Johnson. Johnson, Ronald C. (Ronald Carl), 1950- [Reston, Va.] : United States Department of the Interior, Geological Survey, 1984.Washington : United States Government Printing Office. Book Online
3. Submarine canyon deposits, central California coast, and their possible relation to an Eocene low sea-level stand / by Victor M. Seiders and James M. Joyce. Seiders, Victor M. [Reston, Va.] : Department of the Interior, U.S. Geological Survey, 1984.Washington : United States Government Printing Office. Book Online
4. The Fishburne Formation (lower Eocene) : a newly defined subsurface unit in the South Carolina coastal plain / by Gregory S. Gohn [and three others]. Gohn, Gregory S. [Reston, Va.] : United States Department of the Interior, Geological Survey, 1983.Washington : United States Government Printing Office. Book Online
5. A review of the Proteutheria and Insectivora of the Willwood Formation (Lower Eocene), Bighorn Basin, Wyoming / by Thomas M. Bown and David Schankler. Bown, Thomas M. [Reston, Va.] : United States Department of the Interior, Geological Survey, 1982.Washington : United States Government Printing Office. Book Online
6. Eocene fluvial drainage patterns and their implications for uranium and hydrocarbon exploration in the Wind River Basin, Wyoming / by David A. Seeland. Seeland, David A. [Washington, D.C.] : United States Department of the Interior, Geological Survey, 1978.Washington : United States Government Printing Office. Book Online
7. Stratigraphic revision of the middle Eocene, Oligocene, and lower Miocene--Atlantic Coastal Plain of North Carolina : a lithostratigraphic study of carbonate and clastic Eocene to lower Miocene rocks on the North Carolina Plain / by Lauck W. Ward, David R. Lawrence, and Blake W. Blackwelder. Ward, Lauck W. [Washington, D.C.] : United States Department of the Interior, Geological Survey, 1978.Washington : United States Government Printing Office Book Online
8. Eocene rocks in northeast Washington--radiometric ages and correlation : the genetic relations among numerous patches of volcanic rocks / by R.C. Pearson and J.D. Obradovich. Pearson, Robert Carl, 1926- [Washington, D.C.] : United States Department of the Interior, Geological Survey, 1977.Washington : United States Government Printing Office. Book Online
9. Stewart Gulch Tongue, a new tongue of the Eocene Green River formation, Piceance Creek basin, Colorado / by William J. Hail, Jr. Hail, William J. (William James), Jr., 1922-2018 [Washington, D.C.] : United States Department of the Interior, Geological Survey, 1977.Washington : United States Government Printing Office Book Online
10. Coughs Creek Tongue -- a new tongue of the Eocene Green River Formation, Piceance Creek basin, Colorado / by Robert B. O'Sullivan. O'Sullivan, Robert Brett, 1923- [Reston, Va.] : United States Department of the Interior, Geological Survey, 1975.Washington : United States Government Printing Office. Book Online
11. Four newly named tongues of Eocene Green River Formation, northern Piceance Creek basin, Colorado / by D.C. Duncan [and three others]. Duncan, Donald C., 1911-1990 [Washington, D.C.] : United States Department of the Interior, Geological Survey, 1974.Washington : United States Government Printing Office. Book Online
12. Revision of nomenclature of the upper part of the Green River Formation, Piceance Creek Basin, Colorado, and eastern Uinta Basin, Utah / by W.B. Cashion and John R. Donnell. Cashion, W. B. (William Bryan), 1923- [Washington, D.C.] : United States Department of the Interior, U.S. Geological Survey, 1974.Washington : United States Government Printing Office. Book Online
13. Radioelement and trace-element content of the Ione Formation, Central California / by H.A. Wollenberg and F.C.W. Dodge ; prepared in cooperation with the Lawrence Berkeley Laboratory, University of California, Berkeley. Wollenberg, H. A. (Harold A.) [Washington, D.C.] : United States Department of the Interior, Geological Survey, 1973.Washington : United States Government Printing Office. Book Online
14. Stratigraphic divisions and geologic history of the Laney Member of the Green River Formation in the Washakie Basin in southwestern Wyoming / by Henry W. Roehler. Roehler, Henry W. [Washington, D.C.] : United States Department of the Interior, Geological Survey, 1973.Washington : United States Government Printing Office. Book Online
15. Stratigraphy of the Washakie formation in the Washakie Basin, Wyoming / by Henry W. Roehler. Roehler, Henry W. [Washington, D.C.] : United States Department of the Interior, Geological Survey, 1973.Washington : United States Government Printing Office. Book Online
16. Age and correlation of the Clinchfield Sand in Georgia / by S.M. Herrick. Herrick, Stephen M. (Stephen Marion), 1904- [Washington, D.C.] : United States Department of the Interior, Geological Survey, 1972.Washington : U.S. Government Printing Office. Book Online
17. Revision of stratigraphic names for some Eocene formations in Santa Barbara and Ventura counties, California / by J.G. Vedder. Vedder, J. G. (John Graham), 1926- [Washington, D.C.] : United States Department of the Interior, Geological Survey, 1972.Washington : United States Government Printing Office. Book Online
18. Paleocene and lower Eocene units in the southern part of the Piceance Creek basin, Colorado / by John R. Donnell. Donnell, John R. (John Roswell), 1919-2013 [Washington, D.C.] : United States Department of the Interior, Geological Survey, 1969.Washington : U.S. Government Printing Office. Book Online
19. Nomenclature of formations of Claiborne Group, middle Eocene Coastal Plain of Texas : the nomenclature and correlations of the middle Eocene of Texas are updated, with special reference to the Rio Grande embayment / by D. Hoye Eargle. Eargle, D. Hoye (Dolan Hoye), 1905-1973 [Washington, D.C.] : United States Department of the Interior, Geological Survey, 1968.Washington : United States Government Printing Office. Book Online
20. Wapiti formation and Trout Peak Trachyandesite, northwestern Wyoming : description of two new formations in the Absaroka Mountains, Wyoming / by Willis H. Nelson and William G. Pierce. Nelson, Willis H. (Willis Howard), 1920-2010 [Washington, D.C.] : United States Department of the Interior, Geological Survey, 1968.Washington : United States Government Printing Office. Book Online