"Mojave Desert Trails...Mojave Desert, Death Valley, Boulder Dam" (Produced by C.E. Finkenbinder), 1940, Sub-Series 2.5, Box: 16, Folder: 4. Collection of California maps and guidebooks, SC-012. Pfau Library Special Collections. https://archivesspace.csusb.edu//repositories/3/archival_objects/7089 Accessed November 15, 2024.