Index on verso of each sheet.; Shows various types of federal roads, national forests, parks, monuments and military reservations. Pavement types shown by letters.; "Base map from U.S. Geological Survey state map."; "Approved federal aid mileage, California, 5,238.00."; "Data corrected to July 1, 1929." on sheets 55 x 80 centimeters Scale 1:760,320; 1 inch = 12 miles General Map Collection