| | Report (issue) | Mineral Deposits of the Mountain Pass District San Bernardino County California GEOLOGICAL SURVEY PROFESSIONAL...Mineral Deposits of the Mountain Pass District San Bernardino County California By J. C. OLSON, D. R. SHAWE...PROFESSIONAL PAPER 261 A geologic study of the district and its rare-earth-bear ing carbonate rocks. One...HEWETT The region near Mountain Pass, San Bernardino County, Calif., has been the scene of at least three cycles...in the Yellow Pine district (Potosi area) on the west slope of the Spring Mountains in southern Nevada |
|