31. Pennsylvanian fusulinids from southeastern Alaska, Author/Creator: Douglass, Raymond C. (Raymond Charles) Publication/Creation: Washington : U.S. Govt. Print. Off, 1971 Resource Type: Book Is Part Of: U.S. Geological Survey professional paper, no. 706-712. Access & Availability: Loading
32. Pennsylvanian fusulinids from southeastern Alaska Author/Creator: Douglass, Raymond C. (Raymond Charles), author Publication/Creation: Washington : United States Department of the Interior, Geological Survey, 1971 Resource Type: Book Access & Availability: Loading
33. Pennsylvanian sandstones of the mid-continent Publication/Creation: Tulsa, Okla. : Tulsa Geological Society, [1979] Resource Type: Book Access & Availability: Loading
34. Pennsylvanian sediments in northwest Georgia Author/Creator: Renshaw, Ernest Wilroy, 1927- Publication/Creation: [Place of publication not identified] : [publisher not identified], 1951 Resource Type: Book Access & Availability: Loading
35. Pennsylvanian system in New Mexico Author/Creator: Thompson, M. L. 1906- (Marcus Luther) Publication/Creation: Socorro : [publisher not identified], 1942 Resource Type: Book Access & Availability: Loading
36. Pennsylvanian system in the United States : a symposium Author/Creator: American Association of Petroleum Geologists Publication/Creation: Tulsa, Okla. : [publisher not identified], 1962 Resource Type: Book Access & Availability: Loading
37. Petrography and environmental analysis of some Pennsylvanian limestones from central Texas, Author/Creator: Terriere, Robert T., 1926- Publication/Creation: Washington : U.S. Govt. Print. Off, 1963 Resource Type: Book Is Part Of: U.S. Geological Survey professional paper, no. 315-316. Access & Availability: Loading
38. Petrography and environmental analysis of some Pennsylvanian limestones from central Texas Author/Creator: Terriere, Robert T., 1926- author Publication/Creation: Washington : United States Department of the Interior, Geological Survey, 1963 Resource Type: Book Access & Availability: Loading
39. Plant fossils from the Pennsylvanian-Permian Transition in western Pangea, Abo Pass, New Mexico Author/Creator: DiMichele, William A., author Publication/Creation: Washington, D.C. : Smithsonian Institution Scholarly Press, 2017 Resource Type: Book Access & Availability: Loading
40. Plant fossils from the Pennsylvanian-Permian Transition in western Pangea, Abo Pass, New Mexico Author/Creator: DiMichele, William A., author Publication/Creation: Washington, D.C. : Smithsonian Institution Scholarly Press, 2017 Resource Type: Book Access & Availability: Loading