Geologic description of the managanese deposits of California
By: by Parker D. Trask [and others] Presenting results of a cooperative undertaking between the United States Geological Survey and the California State Division of Mines.
Contributors: California. Division of Mines.
Series: California.  Dept. of Natural Resources.  Division of Mines.  Bulletin,; 152; Bulletin (California. Division of Mines) ;; no. 152.
Published: 1950
Place of publication: San Francisco
Language: eng
Number of pages: 378
Subjects: Manganese ores -- California
Notes: Part of illustrative matter in pocket.
"Supplements Bulletin 125 [prepared under the direction of Olaf P. Jenkins]"