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Baked shale and slag formed by the burning of coal beds

Rogers, G. Sherburne (Gaillard Sherburne), 1889-1919, author.
Washington : Department of the Interior, United States Geological Survey, 1917. 1917

Clays and shales of Minnesota

Grout, Frank F. (Frank Fitch), 1880- author.
[Washington, D.C.] : Department of the Interior, United States Geological Survey, 1919. 1919

The Foerstia zone of the Ohio and Chattanooga shales : an explanation for the stratigraphic zonation

Schopf, James Morton, 1911- author.
[Washington, D.C.] : United States Department of the Interior, Geological Survey, 1970. 1970

Geochemical investigations of some black shales and associated rocks

Vine, James David, 1921- author.
[Washington, D.C.] : United States Department of the Interior, Geological Survey, 1969. 1969

Geochemistry of uranium in phosphorites and black shales of the Phosphoria formation

Sheldon, Richard Porter, 1923- author.
Washington, D.C. : United States Department of the Interior, Geological Survey, 1959. 1959

Miocene foraminifera from the Monterey shale of California, with a few species from the Tejon format

Bagg, Rufus M., 1869- author.
Washington, D.C. : Department of the Interior, United States Geological Survey, 1905. 1905

Selected annotated bibliography of minor-element content of marine black shales and related sediment

Tourtelot, Elizabeth B., author.
[Washington, D.C.] : United States Department of the Interior, Geological Survey, 1970. 1970

Stratigraphy and uranium content of the Chattanooga shale in northeastern Alabama, northwestern Geor

Glover, Lynn, author.
Washington, D.C. : United States Department of the Interior, Geological Survey, 1959. 1959

Stratigraphy of the Chattanooga Shale (Upper Devonian and Lower Mississippian) in vicinity of Big St

Kepferle, Roy Clark, 1926- author.
[Reston, Va.] : United States Department of the Interior, Geological Survey, 1981. 1981