Mapel, William Jameson
Nonopaque heavy minerals in Sandstone of Jurassic and cretaceous age in the black hills Wyoming and South Dakota / by W. J. Mapel, W. A. Chisholm and R. E. Bergenback. -- Washington : United States Government Printing Office, 1964 - 59 p. + map. -- (Geological Survey Bulletin ; 1161-C).
Cretácico
Dakota del Sur
Estratigrafía
Jurásico
Wyoming
551.762/.763(783+787)
Nonopaque heavy minerals in Sandstone of Jurassic and cretaceous age in the black hills Wyoming and South Dakota / by W. J. Mapel, W. A. Chisholm and R. E. Bergenback. -- Washington : United States Government Printing Office, 1964 - 59 p. + map. -- (Geological Survey Bulletin ; 1161-C).
Cretácico
Dakota del Sur
Estratigrafía
Jurásico
Wyoming
551.762/.763(783+787)