TY  - RPRT
TI  - Rare-earth mineral deposits of the Mountain Pass District, San Bernardino County, California, with a foreword on history of the discovery at Mountain Pass, California
AU  - J. C. Olson
AU  - D. R. Shawe
AU  - L.C. Pray
AU  - W. N. Sharp
AU  - D. F. Hewett
PY  - 1954
DO  - 10.3133/pp261
UR  - https://pubs.usgs.gov/publication/pp261
ID  - pp261
ER  -