@article{https://resolver.caltech.edu/CaltechAUTHORS:20200131-111820477, title = "Geology and mineral deposits of the Julian District, San Diego County, California", journal = "California Journal of Mines and Geology", year = "1934", url = "https://resolver.caltech.edu/CaltechAUTHORS:20200131-111820477", id = "record", issn = "0096-1558", volume = "30" }