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The Oak Forest Site (11Ck-53) is located in Oak Forest, Cook County, Illinois, near the city of Chicago. It is classified as a late prehistoric to Protohistoric /Early Historic site with Upper Mississippian Huber affiliation.
The site, which was designated January 3, 1952, as an affiliated area of the National Park Service, is owned and administered by the Forest Preserve District of Cook County. Visitor access is via Harlem Avenue, just north of Interstate 55. The site contains the parking area, a memorial statue, interpretive signs, and trails.
Sauk Trail Woods are located within the Cook County Forest Preserves in Park Forest and Chicago Heights, Illinois. They are part of the Thorn Creek Trail System. They contain miles of paved bike trails and off-trail dirt paths. [1] Sauk Trail Woods contains Sauk Lake and Thorn Creek. The topography is fairly hilly, featuring ravines and steep ...
From crumbling rock walls and abandoned cars to spring houses and quarry blast shelters, traces of the past remain in these natural areas.
Another small, forested area existed in the extreme southwest corner of Midewin along the Kankakee River and Prairie Creek. Several not-for-profit conservation organizations have played active roles in the restoration of high-quality tallgrass prairie, dolomite prairie, [ 4 ] sedge meadows, swales and related communities at Midewin. [ 5 ]
The Skokie Valley Trail southern terminus is in this area. The NRHP historic district includes 468 contributing structures and 141 non-contributing ones. [2] The Old Treaty Elm, said to be the site where the Indian Treaty of 1835 was signed, stood near the southernmost point of the District until 1933. A commemorative plaque now marks the site.
By 1972, the Forest Preserve occupied 550 acres (220 ha). [2] Today, the forest preserve is 561 acres (227 ha). The preserve includes 6.5 miles (10.5 km) of trails for hikers and cross-country skiers. The 2.5-mile (4.0 km) Ned Ryerson Trail, so-named for Ryerson's son, is wheelchair accessible and features an audio guide for the visually impaired.
Surveys conducted in the 1980s found strontium-90 in the soil at Plot M, trace amounts of tritium in nearby wells, [3] [4] and plutonium, technetium, caesium, and uranium in the area. In 1994, the United States Department of Energy and the Argonne National Laboratory yielded to public pressure and earmarked $24.7 million and $3.4 million ...