Concord and Hayward geology sheets, 1914
Areal geology sheets of Concord and Hayward quadrangles. U.S. geological survey director George Otic Smith. Shows railroads, faults, and concealed faults. Legend details different aspects of sedimentary and ingeneous rocks. Near perfect condition chromolithograph in beautiful color. 22 x 18.5 inches.
To ZOOM please go back to Collections view. Hover over Map and use Quick View.