Conodont Biochronology, Biofacies, Taxonomy, and Event Stratigraphy around Middle Frasnian Lion Mudmound (F2h) Frasnes, BelgiumCharles A. Sandberg, Willi Ziegler, Roland Dreesen, Jamie L. Butler · First published 1992Open the Tome
late Devonian Standard Conodont ZonationWilli Ziegler, Charles A. Sandberg · First published 1990Open the Tome
McGowan Creek Formation, new name for lower Mississippian Flysch sequence in east-central IdahoCharles A. Sandberg · First published 1975Open the Tome
Measured sections of Devonian rocks in northern WyomingCharles A. Sandberg · First published 1967Open the Tome
Stratigraphy, age and paleotectonic significance of the Cottonwood Canyon member of the Madison Limestone in Wyoming and MontanaCharles A. Sandberg · First published 1967Open the Tome
Nomenclature and correlation of lithologic subdivisions of the Jefferson and Three Forks Formations of southern Montana and northern WyomingCharles A. Sandberg · First published 1965Open the Tome
Geology of the Williston basin, North Dakota, Montana, and South Dakota, with reference to subsurface disposal of radioactive wastesCharles A. Sandberg · First published 1962Open the Tome