Geology and mineral resources of Santa Ysabel quadrangle, San Diego County, California.
APA Citation
California. Division of Mines and Geology. (1958). Geology and mineral resources of Santa Ysabel quadrangle, San Diego County, California. San Francisco.
MLA Citation
California. Division of Mines and Geology. Geology And Mineral Resources of Santa Ysabel Quadrangle, San Diego County, California. San Francisco, 1958.
Warning: These citations may not always be complete (especially for serials).