"Amador County Map" (Amador County, CA: Produced by Harry Freese County and State map Publisher), 1964, Sub-Series 1.1, Box: 1, Folder: 1. Collection of California maps and guidebooks, SC-012. Pfau Library Special Collections. https://archivesspace.csusb.edu//repositories/3/archival_objects/6629 Accessed November 15, 2024.