@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",
    url = "https://resolver.caltech.edu/CaltechAUTHORS:20200131-111820477",
    id = "record",
    issn = "0096-1558",
    volume = "30"
}