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Sinkholes can range in size from a few feet wide to hundreds of acres, and anywhere from 1 to 100 feet or more deep. Sinkholes can swallow up cars, parts of roads and even houses.
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 ...
Thus, the total volume of the silts and clays is reduced, resulting in the lowering of the surface. The damage at the surface is much greater if there is differential settlement, or large-scale features, such as sinkholes and fissures. Aquifer compaction is a significant concern along with pumping-induced land subsidence.
In 2011, U.S. Senators Richard Durbin and Mark Kirk and Congressman Mike Quigley toured the Chicago area waterways and announced their support for the disinfection projects. In April 2012, Chicago Mayor Rahm Emanuel, former Illinois Governor Pat Quinn, and the U.S. EPA awarded the MWRD $10 million through the Illinois Jobs Now! capital program ...
Officials believe she could have fallen into a 30-ft (9m) deep sinkhole connected to a mine in the town of Marguerite, that may have opened up below her as she was searching for her cat.
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The City of Chicago then gave permission to install the new pilings 3.5 feet (1.1 m) south of the old pilings. The crew members who began work at the site did not know that beneath the river was an abandoned Chicago Tunnel Company (CTC) tunnel that had been used in the early 20th century to transport coal and goods. One of the pilings on the ...
Rescuers believe the huge sinkhole opened up as Pollard walked over the area — and fear that ongoing efforts to find her will put search crews in danger. Elizabeth Pollard, 64, likely fell into ...