"BLM Public Lands Guide California: San Diego, Santa Rosa Mountain & Desert Area" (San Diego County, CA: Produced by U.S. Department of the Interior Bureau of Land Management), undated, Sub-Series 2.4, Box: 24, Folder: 5. Collection of California maps and guidebooks, SC-012. Pfau Library Special Collections. https://archivesspace.csusb.edu//repositories/3/archival_objects/15357 Accessed January 10, 2026.