"Chart of San Pablo Bay...Napa and Petaluma Rivers" (San Pablo, CA: Produced by Triumph Press, Inc.), 1972, Sub-Series 1.4, Box: 10, Folder: 1. Collection of California maps and guidebooks, SC-012. Pfau Library Special Collections. https://archivesspace.csusb.edu//repositories/3/archival_objects/6926 Accessed November 15, 2024.