Geology and mineral resources of San Diego and Imperial counties
By: by Frederick J. H. Merrill. December, 1914.
Contributors: California State Mining Bureau.
Publisher: California State Printing Office
Published: 1914
Place of publication: [San Francisco?]
Language: eng
Number of pages: 113
Subjects: Geology -- California.; Mines and mineral resources -- California.
Notes: Bibliography: p. 113.
At head of title: California State Mining Bureau.
Cover-title: Mines and mineral resources of Imperial County, San Diego County; chapters of state mineralogist's report, biennial period, 1913-1914.