One of the largest hinged crest-gate dams of its kind in the country is under construction in the Salt River in Tempe, Ariz. Also one of the largest hydraulically operated steel-gate dams in the ...
Although suggested as early as the late 1800s, the Golden Gate Bridge was not seriously considered until the 1920s. In 1921, Joseph Strauss was the lead architect for the bridge, with contributions ...
On Jan. 5, 1933, construction began on San Francisco's Golden Gate Bridge before it became what was then the world's longest suspension bridge, and what was yet to become one of the wonders of the ...
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