"Colusa County Map" (Colusa County, CA: Produced by Harry Freese), 1966, Sub-Series 1.1, Box: 2, Folder: 1. Collection of California maps and guidebooks, SC-012. Pfau Library Special Collections. https://archivesspace.csusb.edu//repositories/3/archival_objects/6681 Accessed November 15, 2024.