1. Porvenir formation (new name)--and other revisions of nomenclature of Mississippian, Pennsylvanian, and lower Permian rocks, southeastern Sangre de Cristo Mountains, New Mexico / by Elmer H. Baltz and Donald A. Myers. Baltz, Elmer H. (Elmer Harold), 1927-2015 [Reston, Va.] : United States Department of the Interior, Geological Survey, 1984.Washington : United States Government Printing Office. Book Online
2. Paleozoic rocks in the Black Pine Mountains, Cassia County, Idaho / by J. Fred Smith. Smith, J. Fred (Joe Fred), 1911-1982 [Reston, Va.] : United States Department of the Interior, Geological Survey, 1983.Washington : United States Government Printing Office. Book Online
3. Upper Paleozoic carbonate bank in east-central Idaho--Snaky Canyon, Bluebird Mountain, and Arco Hills Formations and their paleotectonic significance : three new formations in east-central Idaho and their paleotectonic significance / by Betty Skipp [and three others]. Skipp, Betty, 1928- [Reston, Va.] : United States Department of the Interior, Geological Survey, 1979.Washington : United States Government Printing Office Book Online
4. Stratigraphic and structural relationships of the Brimfield group in northeast-central Connecticut and adjacent Massachusetts / by John D. Peper, M.H. Pease, Jr. and Victor M. Seiders ; prepared in cooperation with the Connecticut State Geological and Natural History Survey and the Massachusetts Department of Public Works. Peper, John D. [Reston, Va.] : United States Department of the Interior, Geological Survey, 1975.Washington : United States Government Printing Office. Book Online
5. Checklist of North American late Paleozoic coral species (Coelenterata, Anthozoa) / by William J. Sando. Sando, William Jasper [Reston, Va.] : United States Department of the Interior, Geological Survey, 1974.Washington : United States Government Printing Office. Book Online
6. Paleozoic stratigraphy in the northwest coastal area of Prince of Wales Island, southeastern Alaska : Paleozoic rocks are divided into 10 newly named formations and are briefly described / by G. Donald Eberlein and Michael Churkin, Jr. Eberlein, G. Donald, 1920-2003 [Washington, D.C.] : United States Department of the Interior, Geological Survey, 1970.Washington : United States Government Printing Office. Book Online
7. Element distribution in some Paleozoic black shales and associated rocks : the content and association of minor elements in different black-shale environments / by James D. Vine. Vine, James David, 1921- [Washington, D.C.] : United States Department of the Interior, Geological Survey, 1969.Washington : United States Government Printing Office. Book Online
8. Stratigraphy of the Albemarle Group of the Carolina slate belt in central North Carolina / by Arvid A. Stromquist and Harold W. Sundelius. Stromquist, Arvid A. [Washington, D.C.] : United States Department of the Interior, Geological Survey, 1969.Washington : United States Government Printing Office. Book Online
9. A bibliographic index of North American late Paleozoic Hyolitha, Amphineura, Scaphopoda, and Gastropoda : an objective paleontologic compilation through 1966 extended from and including references in a similar index by Stuart Weller, 1898 / edited by Ellis L. Yochelson and Burnett W. Saunders. [Washington, D.C.] : United States Department of the Interior, Geological Survey, 1967.Washington : United States Government Printing Office. Book Online
10. Carbonate rocks of Cambrian and Ordovician age, Northhampton and Bucks Counties, eastern Pennsylvania, and Warren and Hunterdon Counties, western New Jersey / by Avery Ala Drake, Jr. Drake, Avery Ala, 1927- Washington, D.C. : United States Department of the Interior, Geological Survey, 1965.Washington, D.C. : Government Printing Office Book Online
11. Nomenclature and correlation of lithologic subdivisions of the Jefferson and Three Forks Formations of southern Montana and northern Wyoming / Charles A. Sandberg. Sandberg, Charles A. (Charles Albert), 1929- Washington, D.C. : United States Department of the Interior, Geological Survey, 1965.Washington, D.C. : Government Printing Office Book Online
12. Paleozoic stratigraphy of the southern part of the Mule Mountains, Arizona / by Philip T. Hayes and Edwin R. Landis. Hayes, Philip T. (Philip Thayer), 1923- [Washington, D.C.] : United States Department of the Interior, Geological Survey, 1965.Washington : United States Government Printing Office. Book Online
13. Distribution of thorium and uranium in three early Paleozoic Plutonic Series of New Hampshire / by John B. Lyons. Lyons, John B. Washington, D.C. : United States Department of the Interior, Geological Survey, 1964.Washington, D.C. : Government Printing Office. Book Online
14. The Hovey Group of northeastern Maine / by Louis Pavlides. Pavlides, Louis, 1921- Washington, D.C. : United States Department of the Interior, Geological Survey, 1964.Washington, D.C. : Government Printing Office Book Online
15. Paleozoic and Cenozoic rocks in the Alpine-Nutrioso area, Apache County, Arizona / by Chester T. Wrucke. Wrucke, Chester T., 1927- Washington, D.C. : United States Department of the Interior, Geological Survey, 1961.Washington, D.C. : Government Printing Office. Book Online
16. Stratigraphy of the Moose River synclinorium, Maine / Arthur J. Boucot. Boucot, A. J. (Arthur James), 1924- Washington, D.C. : United States Department of the Interior, Geological Survey, 1961.Washington, D.C. : Government Printing Office. Book Online