"Tuolumne County Map" (Tuolumne County, CA: Produced by Harry Freese), 1968, Sub-Series 1.4, Box: 12, Folder: 2. Collection of California maps and guidebooks, SC-012. Pfau Library Special Collections. https://archivesspace.csusb.edu//repositories/3/archival_objects/6979 Accessed November 15, 2024.