"Plumas National Forest" (Plumas County, CA: Produced by the United States Department of Agriculture), 2008, 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/6835 Accessed November 15, 2024.