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Spacewatch was founded in 1980 by Tom Gehrels and Robert S. McMillan, and is currently led by astronomer Melissa Brucker at the University of Arizona. Spacewatch uses several telescopes on Kitt Peak for follow-up observations of near-Earth objects. [3] The Spacewatch Project uses three telescopes of apertures 0.9-m, 1.8-m, and 2.3-m.
The Metropolitan Water Reclamation District of Greater Chicago (MWRD), originally known as the Sanitary District of Chicago, is a special-purpose district chartered to operate in Cook County, Illinois, since 1889.
Watersheds of Illinois is a list of basins or catchment areas into which the State of Illinois can be divided based on the place to which water flows.. At the simplest level, in pre-settlement times, Illinois had two watersheds: the Mississippi River and Lake Michigan, with almost the entire State draining to the Mississippi, except for a small area within a few miles of the Lake.
The city of Chicago is allowed to remove 3,200 cubic feet per second (91 m 3 /s) of water from the Great Lakes system; about half of this, 1 billion US gallons per day (44 m 3 /s), is sent down the Chicago River, while the rest is used for drinking water. [68] In late 2005, the Chicago-based Alliance for the Great Lakes proposed re-separating ...
Aerial view of Phase II of the McCook Reservoir under construction in 2023. The Tunnel and Reservoir Plan (abbreviated TARP and more commonly known as the Deep Tunnel Project or the Chicago Deep Tunnel) is a large civil engineering project that aims to reduce flooding in the metropolitan Chicago area, and to reduce the harmful effects of flushing raw sewage into Lake Michigan by diverting ...
Pages in category "Discoveries by the Spacewatch project" The following 200 pages are in this category, out of approximately 464 total.
It draws raw water from two of the city's water cribs far offshore in Lake Michigan and supplies two thirds of City of Chicago consumers in the northern, downtown, and western parts of the city and to many northern and western surrounding suburbs. The plant was constructed in the 1960s and began functioning in 1968. [1]
Generally, the Chicago Harbor comprises the public rivers, canals, and lakes within the territorial limits of the City of Chicago and all connecting slips, basins, piers, breakwaters, and permanent structures therein for a distance of three miles from the shore between the extended north and south lines of the city.