United States Geological Survey. The Magnesite Deposits of California (Bulletin 355)
Washington: Government Printing Office, 1908. First edition. Softcover. Large 8vo. 67pp. Original printed wrappers stapled as issued. Department of the Interior. George Otis Smith, Director. Detailed description of magnesium carbonate deposits in California during the early 1900's. Describes quantities and locations by California counties. Includes Mexico and other countries' deposits..... More