"El Dorado County- California" (El Dorado County, CA: Produced by the El Dorado County Chamber of Commerce), 1949, Sub-Series 2.1, Box: 15, Folder: 4. Collection of California maps and guidebooks, SC-012. Pfau Library Special Collections. https://archivesspace.csusb.edu//repositories/3/archival_objects/7046 Accessed November 15, 2024.