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Distribution and thickness of Devonian Rocks in Williston basin and in central Montana and north-cen

Sandberg, Charles A. (Charles Albert), 1929-
Washington, [D.C.] : U.S. G.P.O., 1961. 1961

McGowan Creek Formation, new name for lower Mississippian Flysch sequence in east-central Idaho

Sandberg, Charles A. (Charles Albert), 1929-
Washington : U.S. Govt. Print. Off., 1975. 1975

New interpretations of Paleozoic stratigraphy and history in the northern Laramie Range and vicinity

Sando, William Jasper.
[Reston, Va.?] : Dept. of the Interior, U.S. Geological Survey ; Denver, CO : For sale by the Books and Open-File Reports Section, U.S. Geological Survey, 1987. 1987

Nomenclature and correlation of lithologic subdivisions of the Jefferson and Three Forks Formations

Sandberg, Charles A. (Charles Albert), 1929-
Washington, [D.C.] : U.S. G.P.O., 1965. 1965

Stratigraphy, age and paleotectonic significance of the Cottonwood Canyon member of the Madison Lime

Sandberg, Charles A. (Charles Albert), 1929-
Washington, U.S. Govt. Print. Off., 1967. 1967