#774 // September 30, 1935 // Boulder City, NV
Dedication of Boulder Dam
National Historic Landmark
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#4269 // June 6, 2008 // McLean, VA
Express Mail® Stamp with "USPS" microprint,
pressure-sensitive adhesive (PSA) gum
Painting of the Hoover Dam
(originally named "Boulder Dam")
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The Hoover Dam, a National Historic landmark and major tourist attraction, is located in the Black Canyon of the
Colorada River on the state border between Arizona and Nevada. The both commemorative stamps (above) show a viewpoint looking upstream the Colorada River with Clark County, NV, on the left side of the stamps and
Mohave County, AZ, on the right. The water reservoir created by the Hoover Dam is Lake Mead.
The concrete arch-gravity dam was constructed in Art Déco architectural style between 1931/1936 during the Great Depression and was dedicated on September 30, 1935, by Franklin D. Roosevelt (* 1882, † 1945), 32nd US President (in Office 1933 - 1945).
Before a joint resolution of US Congress in 1947 officially named the dam in honor of Herbert Hoover
(* 1874, † 1964), 31th US President (in Office 1929 - 1933), the dam was commonly known as Boulder Dam, named after nearby Boulder City, NV, which was originally built in 1931 as federal company town by the Bureau of Reclamation and Six Companies, Inc. as housing area for workers contracted to build the dam on the Colorado River.
Heavily travelled US Route 93 ran along the dam's crest until October 19, 2010, when the Hoover Dam Bypass
(Mike O'Callaghan-Pat Tillman Memorial Bridge) was opened to traffic.
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