1. ⁴⁰Ar/³⁹Ar ages of some Challis Volcanic Group rocks and the initiation of Tertiary sedimentary basins in southwestern Montana Author/Creator: M'Gonigle, John W. Publication/Creation: Washington : U.S. G.P.O. ; Denver, CO : For sale by the U.S. Geological Survey, Information Services, 1996 Resource Type: Book Access & Availability: Loading
2. Abriss der Geologie Author/Creator: Kayser, Emanuel, 1845-1927 Publication/Creation: Stuttgard : F. Enke, 1948-1950 Resource Type: Book Access & Availability: Loading
3. The Accotink schist, Lake Barcroft metasandstone, and Popes Head Formation--keys to an understanding of the tectonic evolution of the northern Virginia Piedmont Author/Creator: Drake, Avery Ala, 1927- Publication/Creation: For sale by the Branch of Distribution, U.S. Geological Survey Resource Type: Book Access & Availability: Loading
4. After the Australopithecines : stratigraphy, ecology, and culture change in the Middle Pleistocene Publication/Creation: Chicago : Distributed in the USA and Canada by Aldine Resource Type: Book Access & Availability: Loading
5. Age and correlation of California Paleogene benthic foraminiferal stages Author/Creator: Poore, Richard Z. Publication/Creation: Washington : U.S. Govt. Print. Off, 1980 Resource Type: Book Access & Availability: Loading
6. Age and correlation of the Clinchfield Sand in Georgia Author/Creator: Herrick, Stephen M. 1904- (Stephen Marion) Publication/Creation: Washington : U.S. Govt. Print. Off, 1972 Resource Type: Book Access & Availability: Loading
7. Age and origin of stone quarried near Fort Wayne in the mid-1800's Author/Creator: Moore, Michael C. Publication/Creation: Bloomington : [publisher not identified], 1974 Resource Type: Book Access & Availability: Loading
8. 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
9. 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
10. 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