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The base of the Upper Jurassic Morrison Formation in east-central Utah

O'Sullivan, Robert Brett, 1923- author.
[Reston, Va.] : United States Department of the Interior, U.S. Geological Survey, 1984. 1985

Characteristic marine Jurassic fossils from the western interior of the United States

Imlay, Ralph W. (Ralph Willard), 1908-1989, author.
Washington : United States Department of the Interior, Geological Survey, 1948. 1947

Depositional history of Jurassic rocks in the area of the Powder River Basin, northeastern Wyoming a

Johnson, Edward A. (Edward Allison), 1940-
[Reston, Va.] : U.S. Department of the Interior, U.S. Geological Survey, 1992. 1992

The Iyanbito Member (a new stratigraphic unit) of the Jurassic Entrada Sandstone, Gallup-Grants area

Green, Morris W., author.
[Washington, D.C.] : United States Department of the Interior, Geological Survey, 1974. 1974

The Jurassic flora of Cape Lisburne, Alaska

Knowlton, Frank Hall, 1860-1926, author.
Washington : Department of the Interior, United States Geological Survey, 1914. 1914

The Jurassic world and other exciting times in the Geological past of Colorado, Grand Mesa, Uncompah

[Washington, D.C.] : Forest Service, U.S. Department of Agriculture, 2022 2022

Lithology and uranium potential of Jurassic formations in the San Ysidro-Cuba and Majors Ranch areas

Santos, Elmer S., author.
[Washington, D.C.] : United States Department of the Interior, Geological Survey, 1975. 1975

Marine Jurassic pelecypods from central and southern Utah

Imlay, Ralph W. (Ralph Willard), 1908-1989, author.
Washington : U.S. Department of the Interior, Geological Survey, 1964. 1964

Marine trace fossils in the Upper Jurassic Bluff Sandstone, southeastern Utah

O'Sullivan, Robert Brett, 1923- author.
[Reston, Va.] : United States Department of the Interior, Geological Survey, 1975. 1975

Paleontology of the Malone Jurassic formation of Texas

Cragin, Francis Whittemore, 1858-1937 author.
Washington, D.C. : Department of the Interior, United States Geological Survey, 1905. 1905

Some of Alpheus Hyatt's unfigured types from the Jurassic of California

Crickmay, C. H. (Colin Hayter), 1899-1988 author.
Washington : United States Department of the Interior, United States Geological Survey, 1933. 1933

Stratigraphy of the layered gabbroic Dufek intrusion, Antarctica : description of newly named units

Ford, Arthur B. (Arthur Barnes), 1932- author.
[Washington, D.C.] : United States Department of the Interior, Geological Survey, 1976. 1976

Theriosynoecum wyomingense (Branson, 1935), a possible guide ostracode to the salt water mash member

Sohn, I. G. (Israel Gregory), 1911-2000.
[Washington, D.C.] : United States Department of the Interior, Geological Survey 1963