21. Age and tectonic significance of volcanic rocks in the northern Los Angeles basin, California Author/Creator: McCulloh, Thane Hubert, 1926- author Publication/Creation: [Washington, D.C.] : Government Printing Office, 2002 Resource Type: Book Access & Availability: Loading
22. Age and tectonic significance of volcanic rocks in the northern Los Angeles Basin, California Author/Creator: McCulloh, Thane Hubert, 1926- author Publication/Creation: [Washington, D.C.] : U.S. G.P.O., 2002 Resource Type: Book Access & Availability: Loading
23. Age determination of young rocks and artifacts : physical and chemical clocks in Quaternary geology and archaeology Author/Creator: Wagner, Günther A. Publication/Creation: Berlin ; New York : Springer, [1998] Resource Type: Book Access & Availability: Loading
24. The age of Pithecanthropus Author/Creator: Es, Louis Jean Chrétien van Publication/Creation: The Hague : M. Nijhoff, 1931 Resource Type: Book Access & Availability: Loading
25. Age of tephra beds at the Ocean Point dinosaur locality, North Slope, Alaska, based on K-Ar and ⁴⁰Ar/³⁹Ar analyses Author/Creator: Conrad, James E., author Publication/Creation: Washington, D.C. : U.S. G.P.O., 1992 Resource Type: Book Access & Availability: Loading
26. Age of tephra beds at the Ocean Point dinosaur locality, North Slope, Alaska, based on K-Ar and ⁴⁰Ar/³⁹Ar analyses Author/Creator: Conrad, James E., author Publication/Creation: [Reston, Va.] : U.S. Department of the Interior, U.S. Geological Survey, 1992 Resource Type: Book Access & Availability: Loading
27. Age of the Coso Formation, Inyo County, California Author/Creator: Bacon, Charles R., author Publication/Creation: [Reston, Va.] : United States Department of the Interior, Geological Survey, 1982 Resource Type: Book Access & Availability: Loading
28. Age of the Detroit River formation in Indiana Author/Creator: Droste, John Brown, 1927- Publication/Creation: Bloomington : State of Indiana, Dept. of Natural Resources, Geological Survey, 1974 Resource Type: Book Access & Availability: Loading
29. Age of the Lospe Formation (Early Miocene) and origin of the Santa Maria Basin, California Publication/Creation: Washington : U.S. G.P.O. ; Denver, CO : For sale by U.S. Geological Survey, Information Services, 1996 Resource Type: Book Access & Availability: Loading
30. Age of the Lospe Formation (Early Miocene) and origin of the Santa Maria Basin, California Author/Creator: Stanley, Richard G., author Publication/Creation: [Reston, Va.] : U.S. Department of the Interior, U.S. Geological Survey, 1996 Resource Type: Book Access & Availability: Loading