San Luis Rey on Display: Geoscience in Northern San Diego County, CaliforniaAvScott SnyderHäftad, Engelska, 2013386 krDu bevakarBevakaTillfälligt slut
Geology and History of Southeastern San Diego County, California: San Diego Association of Geologists Field Trip Guidebook for 2005 and 2006AvPhilip T. Farquharson,David M. BloomHäftad, Engelska343 krDu bevakarBevakaTillfälligt slut