Charles A. Sandberg

1929

• McGowan Creek Formation, new name for lower Mississippian Flysch sequence in east-central Idaho
• Measured sections of Devonian rocks in northern Wyoming
• Nomenclature and correlation of lithologic subdivisions of the Jefferson and Three Forks Formations of southern Montana and northern Wyoming
• Stratigraphy, age and paleotectonic significance of the Cottonwood Canyon member of the Madison Limestone in Wyoming and Montana