Mammoth Hot Springs, Wyoming.
Bridging the Golden Gate Canyon was one of the most difficult and expensive engineering engineers faced when building the first roads through the park. The first bridge was built in 1885. Twelve hundred seventy-five pounds . . .
(Bridges & Viaducts) Includes complete text, location, directions, 3 photos, GPS coordinates, map.
Bridging the Golden Gate Canyon was one of the most difficult and expensive engineering engineers faced when building the first roads through the park. The first bridge was built in 1885. Twelve hundred seventy-five pounds . . .
(Bridges & Viaducts) Includes complete text, location, directions, 3 photos, GPS coordinates, map.