Sandberg, C. A. 1., & Sandberg, C. A. 1. (1965). Nomenclature and correlation of lithologic subdevisions of the Jefferson and Three Forks Formations of sothern Montana and northern Wyoming. Washington: S Government Printing Office.
Citación estilo ChicagoSandberg, Charles Albert 1929-, y Charles Albert 1929- Sandberg. Nomenclature and Correlation of Lithologic Subdevisions of the Jefferson and Three Forks Formations of Sothern Montana and Northern Wyoming. Washington: S Government Printing Office, 1965.
Cita MLASandberg, Charles Albert 1929-, y Charles Albert 1929- Sandberg. Nomenclature and Correlation of Lithologic Subdevisions of the Jefferson and Three Forks Formations of Sothern Montana and Northern Wyoming. Washington: S Government Printing Office, 1965.