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Sharp sand, also known as grit sand or river sand and as builders' sand, concrete sand, or ASTM C33 when medium or coarse grain, is a gritty sand used in concrete and potting soil mixes or to loosen clay soil [1] as well as for building projects. It is not cleaned or smoothed to the extent recreational play sand is. It is useful for drainage. [2]
Thornton Quarry, just south of Chicago, Illinois. One of the largest aggregate quarries in the world, 1.5 miles (2.4 km) long, 0.5 miles wide, and up to 450 feet deep, site of a Silurian reef. Quarried since 1836. The quarry also acts as an emergency flood control reservoir as part of Chicago Deep Tunnel project.
Grus is an accumulation of angular, coarse-grained fragments (particles of sand and gravel) resulting from the granular disintegration by the processes of chemical and mechanical weathering of crystalline rocks (most notably granitoids) generally in an arid or semiarid region. [1] Grus sand, when cemented into a sandstone, will form an arkose.
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Beverly is the 72nd of Chicago's 77 community areas.Located 12 miles (19 km) from the Loop, it is on the city's far south side.Beverly is considered part of the Blue Island Ridge, along with the nearby community areas of Morgan Park and Mount Greenwood, and Washington Heights, and the City of Blue Island.
Home prices in the Chicago area climbed 9.6% during August compared with the same time last year, new numbers show. The median sales price in the metro area was $339,000, a $29,000 jump from ...