Distribution of elements and minerals in the Tippecanoe Sequence of the western United StatesLeonard Gene Schultz · First published 1985Open the Tome
Composition and properties of the Pierre Shale and equivalent rocks, northern Great Plains regionLeonard Gene Schultz · First published 1980Open the Tome
Mixed-layer clay in the Pierre Shale and equivalent rocks, northern Great Plains regionLeonard Gene Schultz · First published 1978Open the Tome
Mineralogy and stratigraphy of the lower part of the Pierre Shale, South Dakota and NebraskaLeonard Gene Schultz · First published 1965Open the Tome
Quantitative interpretation of mineralogical composition from X-ray and chemical data for the Pierre ShaleLeonard Gene Schultz · First published 1964Open the Tome
Clay minerals in Triassic rocks of the Colorado PlateauLeonard Gene Schultz · First published 1963Open the Tome
