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U.S. Bureau of Land Management map showing the principal meridians of Ohio, Indiana, and Illinois. The fourth principal meridian, set in 1815, [1] is the principal meridian for land surveys in northwestern Illinois and west-central Illinois, [2] and its 1831 [3] extension is the principal meridian for land surveys in Wisconsin and northeastern Minnesota.
U.S. Bureau of Land Management map showing the principal meridians in Illinois, Indiana, and Ohio. The third principal meridian begins at the mouth of the Ohio River and extends north to the northern boundary of the state of Illinois, and with the base line in latitude 38° 28′ 20″ [vague], governs the surveys in the state east of the third principal meridian, with the exception of those ...
The Eastern Municipal Water District of Southern California is a regional water district formed in 1950 to secure additional water for a largely rural area of western Riverside County. In addition to water service, responsibilities include sewage collection, water desalination and water recycling.
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Date/Time Thumbnail Dimensions User Comment; current: 02:27, 11 February 2007: 3,453 × 6,157 (85 KB): Dual Freq: This is a map showing St. Louis Metro-East, 5 Illinois counties of the St. Louis MSA as described by the 2000 census.
The aquifer underlies 1,260,000 acres (510,000 hectares) of land in east-central Illinois and spans 15 counties (Panno and Korab, 2000). The Mahomet ranges from 4 to 15 miles (6 to 24 km) and 50 to 200 feet (15 to 60 m) thick, although the average thickness is 100 feet (30 m).
Many corporations have such standards, which define some terms and symbols specific to them; on the national and international level, ASME standard Y14.38 [1] is one of the standards. Australia utilises the Technical Drawing standards AS1100.101 (General Principals), AS1100-201 (Mechanical Engineering Drawing) and AS1100-301 (Structural ...
name = Illinois Name used in the default map caption; image = USA Illinois location map.svg The default map image, without "Image:" or "File:" image1 = USA Illinois relief location map.svg An alternative map image, usually a relief map, which can be displayed via the relief or AlternativeMap parameters; top = 42.7 Latitude at top edge of map ...