Geological plan of the Coast Range of California from San Francisco Bay to Los Angeles, along the route explored by Lieut. John G. Parke, Corps of Topl. Engrs., to connect with the routes near the 35° & 32° parallels of north latitude, 1855-1856, prepared to accompany the report of Thomas Antisell, M.D., geologist of the expedition Description: At head of title: U.S. Pacific Rail Road Expl. & Surveys. Date: 1857 Resource Type: cartographic Collection: Henry J. Bruman Map Collection
Map of passes in the Sierra Nevada from Walker's Pass to the Coast Range Description: Relief represented by hachures. Date: 1853 Resource Type: cartographic Collection: Henry J. Bruman Map Collection