Rare-earth mineral deposits of the Mountain Pass district, San Bernardino County, California
By: by J.C. Olson ... [et al.] ; with a foreward on History of the discovery at Mountain Pass, California, by D.F. Hewett.
Contributors: Olson, Jerry Chipman, 1917-; Geological Survey (U.S.)
Series: U.S. Geological Survey professional paper -- 261
Publisher: U.S. Government Printing Office
Published: 1954
Place of publication: Washington, DC
Language: eng
Number of pages: 75
Subjects: Rare earths.; Geology -- California -- San Bernardino County.; Mines and mineral resources -- California -- San Bernardino County.; Mines and mineral resources -- California -- History.
Other titles: History of the discovery at Mountain Pass, California / by D.F. Hewett.
Notes: Bibliogr.

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