California mineral production for 1919, with county maps
By: by Walter W. Bradley.
Contributors: California State Mining Bureau.
Series: Bulletin / California State Mining Bureau -- no. 88; Bulletin (California State Mining Bureau) -- no. 88.
Publisher: California State Print. Office
Published: 1920
Place of publication: Sacramento
Language: eng
Number of pages: 204
Subjects: Mines and mineral resources -- California