Golden Gate, 75th Aniversary | San Francisco
Glen Canyon dam | Arizona
Glen Canyon dam No.2 | Arizona
New Croton Dam | New York
Old Croton Aqueduct, Weir | New York
Bay Bridge Construction | San Francisco
Hoover Dam | Nevada / Arizona
Goat Canyon Trestle | California
Bay Bridge | San Francisco
Brooklyn Queens Expressway | Brooklyn
Cooling Tower | Nuclear Power Plant
40' Triple expansion steam engine (water pump)