Mixed-layer clay in the Pierre Shale and equivalent rocks, northern Great Plains region /

by Schultz, Leonard Gene, 1926-
Published 1978

Distribution of elements and minerals in the Tippecanoe Sequence of the western United States : basic data and statistical summaries /

by Schultz, Leonard Gene, 1926-
Published 1985

Quantitative interpretation of mineralogical composition from X-ray and chemical data for the Pierre Shale /

by Schultz, Leonard Gene, 1926-
Published 1964

Mineralogy and stratigraphy of the lower part of the Pierre Shale, South Dakota and Nebraska.

by Schultz, Leonard Gene, 1926-
Published 1965

Clay minerals in triassic rocks of the Colorado Plateau /

by Schultz, Leonard Gene, 1926-
Published 1963

Quantitative interpretation of mineralogical composition from X-ray and chemical data for the Pierre Shale /

by Schultz, Leonard Gene, 1926-
Published 1964

Mineralogy and stratigraphy of the lower part of the Pierre Shale, South Dakota and Nebraska /

by Schultz, Leonard Gene, 1926-
Published 1965

Mixed-layer clay in the Pierre Shale and equivalent rocks, northern Great Plains region /

by Schultz, Leonard Gene, 1926-
Published 1978

Composition and properties of the Pierre Shale and equivalent rocks, northern Great Plains region /

by Schultz, Leonard Gene, 1926-
Published 1980

Stratigraphy and composition of the Sharon Springs Member of the Pierre Shale in western Kansas /

by Gill, James R. (James Rogers), 1922-1972, Cobban, William A., 1916-2015, Schultz, Leonard Gene, 1926-
Published 1972

Composition and properties of the Pierre Shale and equivalent rocks, northern Great Plains region /

Published 1980