Washington Monument is located in Washington D.C, U.S.A. It is a around 840 miles away from Mayville. The construction of the Monument started in 1848 and stopped in 1854. The rest of the Monument was built between 1876 an d 1884. When they restarted the construction they used different stone which you can tell by the different colors of the stones. Robert Mills designed the monument while Thomas Casey completed the Monument.
The Washington Monument has been eroding because of chemicals used for pigeon poop. Acid rain is also slowly eroding the Monument.Back in 1911 water got inside of the Monument and erode some of the rocks
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National Park service (n.d) History & Culture
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