"Hi-Desert Community Street Maps" (Joshua Tree, CA: Produced by Pomona First Federal Savings and Loan Association), 1971, Sub-Series 1.2, Box: 3, Folder: 3. Collection of California maps and guidebooks, SC-012. Pfau Library Special Collections. https://archivesspace.csusb.edu//repositories/3/archival_objects/6720 Accessed November 15, 2024.