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The Chicago metropolitan area – also known as "Chicagoland" – is the metropolitan area associated with the city of Chicago, Illinois, and its suburbs. [2] With an estimated population of 9.4 million people, [3] it is the third largest metropolitan area in the United States [4] and the region most connected to the city through geographic ...
[2] [4] In 1830, state-appointed commissioners of the proposed canal hired Thompson to survey the two ends; Thompson finished surveying Ottawa on July 5 and Chicago on August 4. [2] Thompson's survey of Chicago was bounded by Kinzie Street, Madison Street, State Street, and Desplaines Street, [a] an area of about 0.375 square miles (0.97 km 2). [7]
Figure 1. This BLM map depicts the principal meridians and baselines used for surveying states (colored) in the PLSS.. The following are the principal and guide meridians and base lines of the United States, with the year established and a brief summary of what areas' land surveys are based on each.
Chicago metropolitan area geography stubs (1 C, 229 P) Pages in category "Chicago metropolitan area" The following 200 pages are in this category, out of approximately 271 total.
Garfield Ridge is the 56th of Chicago's 77 community areas.Located 10 miles (16 km) from the Loop, it is on the city's far southwest side.As of 2017, the area had 36,396 inhabitants.
Between 1906 and 1916, Heck expanded the capability of wire-drag systems from a relatively limited area to sweeps covering channels 2 to 3 nautical miles (3.7 to 5.6 km; 2.3 to 3.5 mi) in width. [15] The wire-drag technique was a major contribution to hydrographic surveying during much of the rest of the 20th century.