"Johnson Valley Desert Access Guide" (Lucerne Valley, CA: Produced by The U.S. Department of the Interior Bureau of Land Management), undated, 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/6719 Accessed November 15, 2024.