Nonopaque heavy minerals in sandstone of Jurassic and Cretaceous age in the Black Hills Wyoming and South Dakota : contributions to general geology /

Autor Mapel, W. J. 1922-, Chisholm, Wayne A., Bergenback, R. E.
Vydáno 1964

Studies of pre-Selma Cretaceous core samples from the outcrop area in western Alabama /

Autor Monroe, Watson Hiner, 1907-1992, Bergenback, R. E., Sohl, Norman F. 1924-1993, Applin, E. R., Leopold, E. B., Pakiser, H. M., Conant, L. C.
Vydáno 1964