1. Calcareous Foraminifera in the Brownwood shale near Bridgeport, Texas Author/Creator: Plummer, Helen Jeanne Publication/Creation: Austin : The University of Texas, 1930 Resource Type: Book Access & Availability: Loading
2. Coal-bearing Upper Pennsylvanian and Lower Permian rocks, Washington area, Pennsylvania, Author/Creator: Berryhill, Henry L., Jr. 1921-2013 (Henry Lee) Publication/Creation: Washington : U.S. Govt. Print. Off, 1971 Resource Type: Book Is Part Of: U.S. Geological Survey professional paper, no. 619-621. Access & Availability: Loading
3. Coal-bearing Upper Pennsylvanian and Lower Permian rocks, Washington area, Pennsylvania Author/Creator: Berryhill, Henry L., Jr. 1921-2013, (Henry Lee), author Publication/Creation: Washington : United States Department of the Interior, Geological Survey, 1971 Resource Type: Book Access & Availability: Loading
4. Copper and uranium in Pennsylvanian and Permian sedimentary rocks, northern Sangre de Cristo Range, Colorado Author/Creator: Lindsey, David A. Publication/Creation: Washington : U.S. G.P.O., 1995 Resource Type: Book Access & Availability: Loading
5. Correlation of Permian and Pennsylvanian sections between Egan Range and Spring Mountains, Nevada Author/Creator: Barosh, Patrick J. 1936- (Patrick James), author Publication/Creation: [Washington, D.C.] : United States Department of the Interior, Geological Survey, 1968 Resource Type: Book Access & Availability: Loading
6. Correlation of Permian and Pennsylvanian sections between Egan Range and Spring Mountains, Nevada Author/Creator: Barosh, Patrick J. 1936- (Patrick James) Publication/Creation: [Washington] : [U.S. Govt. Print. Off], [1968] Resource Type: Book Is Part Of: U.S. Geological Survey bulletin, no.1253-1256. Access & Availability: Loading
7. Correlation of the West Canyon, Lake Point, and Bannock Peak limestones (Upper Mississippian to Middle Pennsylvanian), basal formations of the Oquirrh Group, northern Utah and southeastern Idaho Author/Creator: Davis, L. E. (Larry E.) Publication/Creation: Denver, CO : For sale by U.S. Geological Survey, Map Distribution Resource Type: Book Access & Availability: Loading
8. A critical review of the upper Pennsylvanian floras of eastern United States with notes on the Mazon Creek flora of Illinois Author/Creator: Darrah, William C. 1909-1989. (William Culp) Publication/Creation: [n.p.] : [publisher not identified], [1969] Resource Type: Book Access & Availability: Loading