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Geology and coal resources of the Buffalo-Lake De Smet area, Johnson and Sheridan Counties, Wyoming

Mapel, W. J. (William Jameson), 1922- author.
Washington, D.C. : United States Department of the Interior, Geological Survey, 1959. 1959

Geology of the Inyan Kara Mountain Quadrangle, Crook and Weston Counties Wyoming

Mapel, W. J. (William Jameson), 1922- author.
Washington, D.C. : United States Department of the Interior, Geological Survey, 1963. 1963

Geology of the Nefsy Divide quadrangle, Crook County, Wyoming

Pillmore, C. L., 1930- author.
Washington, D.C. : United States Department of the Interior, Geological Survey, 1963. 1963

Geology of the Upton quadrangle, Crook and Weston Counties, Wyoming,

Mapel, W. J. (William Jameson), 1922- author.
Washington, D.C. : United States Department of the Interior, Geological Survey, 1964. 1964

Nonopaque heavy minerals in sandstone of Jurassic and Cretaceous age in the Black Hills, Wyoming and

Mapel, W. J. (William Jameson), 1922- author.
Washington, D.C. : United States Department of the Interior, Geological Survey, 1964. 1964

Uranium in black shale deposits, northern Rocky Mountains and Great Plains

Mapel, W. J. (William Jameson), 1922- author.
[Washington, D.C.] : United States Department of the Interior, Geological Survey, 1956. 1956