"Plumas County Map" (Plumas County, CA: Produced by Harry Freese County and State Map Publisher), 1968, Sub-Series 1.3, Box: 7, Folder: 2. Collection of California maps and guidebooks, SC-012. Pfau Library Special Collections. https://archivesspace.csusb.edu//repositories/3/archival_objects/6834 Accessed November 15, 2024.