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The Chicago River is a system of rivers and canals with a combined length of 156 miles (251 km) [1] that runs through the city of Chicago, including its center (the Chicago Loop). [2]
The Michigan–Wacker Historic District is a National Register of Historic Places District that includes parts of the Chicago Loop and Near North Side community areas in Chicago, Illinois, United States. The district is known for the Chicago River, two bridges that cross it, and eleven high rise and skyscraper buildings erected in the 1920s. [3]
A man standing on slaughterhouse-derived waste in Bubbly Creek in Chicago in 1911. The area surrounding Bubbly Creek was originally a wetland; during the 19th century, channels were dredged to increase the rate of flow into the Chicago River and dry out the area to increase the amount of habitable land in the fast-growing city.
There are 178 official neighborhoods in Chicago. [1] Neighborhood names and identities have evolved due to real estate development and changing demographics. [2] Chicago is also divided into 77 community areas which were drawn by University of Chicago researchers in the late 1920s. [3]
Total area is 57,918 square miles (150,010 km 2), ranked 25th in size of the 50 states. Water area is 2,325 square miles (6,020 km 2); Lake Michigan accounts for most of this. Charles Mound in the northwest Driftless Area is the highest point in the state at 1,235 feet (376 m) above sea level.
Chicago, along with New York City and Los Angeles, California are the three most populous cities of the U.S., yet Chicago is only half the other two cities' individual land areas. Chicago's nickname, "The Windy City," actually acquired from a political op-ed piece, fits the city well as its location on Lake Michigan moderates the climate and ...
When Chicago was founded in 1837, most of the early building was around the mouth of the Chicago River, as can be seen on a map of the city's original 58 blocks. [104] The overall grade of the city's central, built-up areas is relatively consistent with the natural flatness of its overall natural geography, generally exhibiting only slight ...
The Chicago metropolitan area represents about 3 percent of the entire US population. Chicagoland has one of the world's largest and most diversified economies. With more than six million full and part-time employees, the Chicago metropolitan area is a key factor of the Illinois economy, as the state has an annual GDP of over $1 trillion. [7]