"Barstow & Big Bear, Lake Arrowhead/ Victorville" (Barstow, CA: Produced by Compass Maps Inc.), 1985, Sub-Series 1.1, Box: 1, Folder: 3. Collection of California maps and guidebooks, SC-012. Pfau Library Special Collections. https://archivesspace.csusb.edu//repositories/3/archival_objects/6652 Accessed November 15, 2024.