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Teotihuacan (/ t eɪ ˌ oʊ t iː w ə ˈ k ɑː n /; [1] Spanish: Teotihuacán, Spanish pronunciation: [teotiwa'kan] ⓘ; modern Nahuatl pronunciation ⓘ) is an ancient Mesoamerican city located in a sub-valley of the Valley of Mexico, which is located in the State of Mexico, 40 kilometers (25 mi) northeast of modern-day Mexico City. [2 ...
When it opened in 1902, on Chicago's north side, it was the first such bridge built in the United States. The bridge was a major advance in American movable bridge engineering, and was the prototype for over 50 additional bridges in Chicago alone. [5] The bridge was designated as an ASCE Civil Engineering Landmark in 1981, and a Chicago ...
Teotihuacan's influence over the Maya civilization cannot be overstated: it transformed political power, artistic depictions, and the nature of economics. Within the city of Teotihuacan was a diverse and cosmopolitan population. Most of the regional ethnicities of Mexico were represented in the city, such as Zapotecs from the Oaxaca region ...
Planned city construction – ancient cities in Mexico–such as Teotihuacan and the Aztec capital of Tenochtitlan–incorporated planned city design, including streets laid out in a grid pattern. Plumbing – the Maya have been found to be the earliest inventors of plumbing in Mesoamerica, with the earliest example of a pressurized water ...
Joseph Cowles Mehaffey (November 20, 1889 – February 18, 1963) was an American military officer and engineer. As a member of the Army Corps of Engineers, he was the consulting engineer on the Arlington Memorial Bridge in Washington, D.C.; helped renovate the White House; and served as a supervising engineer for the Works Progress Administration during the Great Depression.
Leon Solomon Moisseiff (November 10, 1872 – September 3, 1943) [1] was a leading suspension bridge engineer in the United States in the 1920s and 1930s. He was awarded The Franklin Institute's Louis E. Levy Medal in 1933.
Wolf Point in July 2018 Map depicting Wolf Point (area owned by the Kennedy family in black, with approximate area of the historical Wolf Point settlement in red). Wolf Point is the location at the confluence of the North, South and Main Branches of the Chicago River in the present day Near North Side, Loop, and Near West Side community areas of Chicago.
The bridge was dredged and river traffic resumed on September 8, 1853. [4] In 1854, the city approved an expenditure of $12,000 to replace the bridge with a pivot bridge. [5] During the Lager Beer Riot in 1855, the bridge was pivoted to help contain the rioters. [6] On June 26, 1907, the steamer Atlas collided with the south abutment of the ...