01081cam a22002651 4500 gs 15000157 DLC 20260227111317.0 810730s1914 cau 000 0 eng c gs 15000157 (OCoLC)7628690 U. S Geol. Survey. Libr. GStG GStG DLC premarc TN24.C2 M3 Merrill, Frederick J. H. (Frederick James Hamilton), 1861-1916. Geology and mineral resources of San Diego and Imperial counties, by Frederick J. H. Merrill. December, 1914. [San Francisco?] California State Printing Office, 1914. 113 p. illus. 23 cm. 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. Bibliography: p. 113. Geology California. Mines and mineral resources California. California State Mining Bureau. 25479 25479