1897 U.S. Geological Survey - Concord Quadrangle 
1913 topographic map of the East Bay Hills
Concord Quadrangle (Topography)
U.S. Geological Survey; George Otis Smith (Director)
Washington, D. C., 1913 (1897)
43 x 56 cm (17 x 22 in)
Extensively detailed topographic map of the Oakland and Berkeley hills, including parts of Oakland, Alameda, Walnut Creek, and Concord. The Southern Pacific Railroad is shown running past Walnut Creek and Concord.
This map is part of the USGS's 15 Minute Quadrangle series, produced from the 1890s to the 1950s in order to provide a detailed topographic map coverage of the entire United States at the same scale.
Some discoloration along the folds.