Browse Items (3 total)

"Golden Gate Bridge sample cross section of cable - June 1968" "'World's most beautiful suspension span' - Main cable 4,200 ft. between towers - Length of one cable 7,650 ft. - Diameter 36 1/8 in. - Wires in each cable 27,572 - Total wire used 80,000…

"California Mill and Mines - Cable Cove mining district [Baker County] - circa 1901-1903. 'Overland Group'" and "California Mines" are written on the photograph in the background.

"California Mill and Mines - Cable Cove mining district [Baker County] - circa 1901-1903." Locations for the following are written on the photograph: "Oregon King, California Mill, Herculean, Standard, Black Dwarf, The Miner, California Mines Tunnel…