The area of Rainbow Bridge National Monument is 647,497.027584 square meters.
The Rainbow Bridge was named by the Native Americans. They named the bridge Nonnezoshe. President William Taft used presidential proclamation to designate the Rainbow Bridge as a national monument.
Arizona.
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Utah.
Utah.
"...On May 30, 1910, President William Howard Taft created Rainbow Bridge National Monument to preserve this 'extraordinary natural bridge, having an arch which is in form and appearance much like a rainbow, and which is of great scientific interest as an example of eccentric stream erosion.'"
William Howard Taft.
They are: 37.077222, -110.964167
On 30 May 1910.
Rainbow Bridge National Monument, a natural formation of salmon-pink sandstone that resembles the arc of a rainbow, was dedicated in 1910.
You have to either get there by boat or hike 13 miles.