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Assessment of potential unconventional Carboniferous-Permian gas resources of the Liaohe Basin Easte

[Reston, Va.?] : U.S. Geological Survey, [2012] 2012

Copper and uranium in Pennsylvanian and Permian sedimentary rocks, northern Sangre de Cristo Range,

Lindsey, David A.
Washington : U.S. G.P.O. Denver, CO : For sale by U.S. Geological Survey, Information Services, 1995. 1995

Copper sulfides in the Lower Permian redbeds of south-central Kansas.

Lawrence : Kansas Geological Survey, 1981. 1981

Deposition of evaporites and red beds of the Nippewalla Group, Permian, Western Kansas

Holdoway, Katrine A.
Lawrence : Kansas Geological Survey, University of Kansas, 1978. 1978

Depositional environments of the White Rim Sandstone Member of the Permian Cutler Formation, Canyonl

Steele, Brenda A., author.
[Reston, Va.] : Department of the Interior, U.S. Geological Survey, 1987. 1987

Diagenetic and burial history of the Lower Permian White Rim Sandstone in the Tar Sand Triangle, Par

Hansley, Paula L.
Washington : U.S. G.P.O. : U.S. Dept. of the Interior, U.S. Geological Survey ; Denver, CO : For sale by U.S. Geological Survey, Information Services, 1995. 1995

Extinction : how life on earth nearly ended 250 million years ago

Erwin, Douglas H., 1958-
Princeton, N.J. : Princeton University Press, c2006. 2006

Geology of the Grosvenor quadrangle, Brown and Coleman Counties, Texas

Terriere, Robert T., 1926- author.
Washington, D.C. : United States Department of the Interior, Geological Survey, 1960. 1960

Geology of the Pennsylvanian and Permian Cutler Group and Permian Kaibab Limestone in the Paradox Ba

Condon, Steven M.
Washington : U.S. G.P.O. : U.S. Dept. of the Interior, U.S. Geological Survey ; Denver, CO : For sale by U.S. Geological Survey, Information Services, 1997. 1997

Guadalupe Mountains : roadside geology guide

[Washington, D.C.] : National Park Service, U.S. Department of the Interior, [2018] 2018

Large and rich phosphorus resources in the Phosphoria Formation in the Soda Springs area, southeaste

Gulbrandsen, Robert A., author.
[Reston, Va.] : United States Department of the Interior, Geological Survey, 1980. 1980

Life cycle of the Phosphoria Formation : from deposition to the post-mining environment

Amsterdam ; Boston : Elsevier, 2004. 2004

The Manzano group of the Rio Grande valley, New Mexico

Lee, Willis T. (Willis Thomas), 1864-1926 author.
Washington, D.C. : Department of the Interior, United States Geological Survey, 1909. 1909

Minor elements in bedrock soil, and vegetation at an outcrop of the Phosphoria Formation on Snowdrif

Lotspeich, Frederick B., 1914-2005 author.
Washington, D.C. : United States Department of the Interior, Geological Survey, 1963. 1963

Paleoecology and biostratigraphy of the Red Eagle cyclothem (Lower Permian) in Kansas

McCrone, Alistair W.
Lawrence : University of Kansas, 1963. 1963

Pennsylvanian and Permian rocks of the southern Inyo Mountains, California

Merriam, Charles W. (Charles Warren), 1905-1974 author.
[Washington, D.C.] : United States Department of the Interior, Geological Survey 1957

Pennsylvanian and Permian stratigraphy of the northern Argus Range-Darwin Canyon area, California

Stone, Paul, 1947- author.
[Reston, Va.] : Department of the Interior, U.S. Geological Survey, 1987. 1987

The Permian and Triassic Seven Devils Group, western Idaho and northeastern Oregon

Vallier, Tracy L. (Tracy Lowell), 1936- author.
[Washington, D.C.] : United States Department of the Interior, Geological Survey, 1977. 1977

Permian-Triassic evolution of Tethys and western circum-Pacific

Amsterdam ; New York : Elsevier, 2000. 2000

Petrographic descriptions of selected rock specimens from the Meade Peak Phosphatic Shale Member, Ph

Johnson, Edward A. (Edward Allison), 1940-
Reston, Va. : U.S. Dept. of the Interior, U.S. Geological Survey, 2007. 2007

Probable Permian age of the Rampart Group, central Alaska : fossil collections and rock samples from

Brosgé, William Peters, 1920-2006 author.
[Washington, D.C.] : United States Department of the Interior, Geological Survey, 1969. 1969

The Red Eagle formation in Kansas

O'Connor, Howard G. (Howard Grant), 1923-
Lawrence : State Geological Survey of Kansas, 1952. 1952

Review of the general geology and solid-phase geochemical studies in the vicinity of the Central Okl

Mosier, Elwin L.
[Washington, D.C.] : U.S. G.P.O., 1988. 1988

Revision of the type Mankomen Formation (Pennsylvanian and Permian), Eagle Creek area, eastern Alask

Richter, Donald H., author.
[Washington, D.C.] : United States Department of the Interior, Geological Survey, 1975. 1975

Revisions of Middle Jurassic nomenclature in the southeastern San Juan basin, New Mexico

Condon, Steven M., author.
[Reston, Va.] : Department of the Interior, U.S. Geological Survey, 1989. 1989

Roadside geology guide.

[Washington, D.C.?] : National Park Service, U.S. Department of the Interior, [2001?] 2001

Sedimentology and paleogeographic significance of six fluvial sandstone bodies in the Maroon Formati

Johnson, Samuel Y., author.
Washington, D.C. : Department of the Interior, U.S. Geological Survey, 1987. 1987

The Skolai Group in the McCarthy B-4, C-4, and C-5 quadrangles, Wrangell Mountains, Alaska : definit

Smith, James G., 1939- author.
[Washington, D.C.] : United States Department of the Interior, Geological Survey, 1970. 1970

Stratigraphy of the Lower Permian Wreford Megacyclothem in southernmost Kansas and northern Oklahoma

Lutz-Garihan, Anne B.
Lawrence : Kansas Geological Survey, the University of Kansas, 1979. 1979

Stratigraphy of the State Bridge Formation in the Woody Creek quadrangle, Pitkin and Eagle Counties,

Freeman, Val L., 1926- author.
[Washington, D.C.] : United States Department of the Interior, Geological Survey, 1971. 1971

Stratigraphy of the Wichita group in part of the Brazos River Valley, north Texas

Stafford, Philip T., author.
Washington, D.C. : United States Department of the Interior, Geological Survey, 1960. 1960

Structural control of the distribution of subtidal to supratidal paleoenvironments of the Americus L

Sporleder, Jonathan C.
Lawrence : Kansas Geological Survey, 1991. 1991

The Supai Group -- subdivision and nomenclature

McKee, Edwin D. (Edwin Dinwiddie), 1906-1984, author.
[Reston, Va.] : United States Department of the Interior, Geological Survey, 1975. 1975

The Texan Permian and its Mesozoic types of fossils

White, Charles A. (Charles Abiathar), 1826-1910, author.
Washington, D.C. : Department of the Interior, United States Geological Survey, 1891. 1891

Type section of the Beacon Sandstone of Antarctica

Hamilton, Warren Bell, 1925-2018 author.
Washington : U.S. Department of the Interior, Geological Survey, 1963. 1963

The Upper Paleozoic Madera group in the Manzano Mountains, New Mexico

Myers, Donald A., 1921- author.
[Washington, D.C.] : United States Department of the Interior, Geological Survey, 1972. 1972

Variations in vitrinite reflectance values for the Upper Cretaceous Mesaverde Formation, Southeaster

Nuccio, Vito F., author.
[Reston, Va.] : Department of the Interior, U.S. Geological Survey, 1989. 1989