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Geologic factors in the interpretation of fluorspar reserves in the Illinois-Kentucky field

Currier, Louis W., 1890-1970 author.
[Washington, D.C.] : United States Department of the Interior, Geological Survey, 1937. 1937

Geology and coal resources of the Cannel City quadrangle, Kentucky

Englund, Kenneth John, 1923- author.
[Washington, D.C.] : United States Department of the Interior, Geological Survey, 1955. 1955

Geology and mineral resources of part of the Cumberland Gap coal field, Kentucky

Ashley, Geo. H. (George Hall), 1866-1951 author.
Washington : Department of the Interior, United States Geological Survey, 1906. 1906

Geology and oil and gas possibilities of upper Mississippian rocks of southwestern Virginia, souther

Wilpolt, Ralph H. (Ralph Henry), 1912-1984, author.
Washington, D.C. : United States Department of the Interior, Geological Survey, 1959. 1959

Geology and refractory clay deposits of the Haldeman and Wrigley Quadrangles, Kentucky

Patterson, Sam H. (Sam Hunting), 1918-2004 author.
Washington, D.C. : United States Department of the Interior, Geological Survey, 1962. 1962

Geology of the Big Stone Gap coal field of Virginia and Kentucky

Campbell, Marius R. (Marius Robinson), 1858-1940, author.
Washington, D.C. : Department of the Interior, United States Geological Survey, 1893. 1893

The lead, zinc, and fluorspar deposits of western Kentucky

Ulrich, E. O. (Edward Oscar), 1857-1944 author.
Washington : Department of the Interior, United States Geological Survey, 1905. 1905

Reconnaissance of oil and gas fields in Wayne and McCreary counties, Kentucky

Munn, M. J. (Malcolm John), 1874-1949 author.
[Washington, D.C.] : Department of the Interior, United States Geological Survey, 1914. 1914

Slade and paragon formations : new stratigraphic nomenclature for Mississippian rocks along the Cumb

Ettensohn, Frank R., author.
[Reston, Va.] : Department of the Interior, U.S. Geological Survey, 1984. 1984

Strodes Creek Member (Upper Ordovician)--a new map unit in the Lexington Limestone of north-central

Black, Douglas F. B., author.
[Washington, D.C.] : United States Department of the Interior, Geological Survey, 1973. 1973

Understanding natural systems : a perspective for land-use planning in Appalachian Kentucky

Newell, Wayne L., author.
[Washington, D.C.] : United States Department of the Interior, Geological Survey, 1978. 1977