Keywords: Lake Tahoe Wagon Road bridge at Riverton.jpg This was published in http //books google com/books id gdA3AAAAIAAJ Report of the Department of Engineering of the State of California May 11 1907 to November 30 1908 p 109 and is captioned CUT ASHLAR STONE BRIDGE LAKE TAHOE STATE ROAD 81-FOOT SPAN U S Route 50 in California PD-old Bridges in California |