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One of the four 45 x 90 points is located in Rietbrock, Wisconsin, where the 45th parallel north intersects with the 90th meridian west, marking the halfway point between the 90° Latitude North, 180th Meridian East & West, 0° latitude, and 0° longitude.
Primarily from the United States Government Printing Office Style Manual. [1] State names usually signify only parts of each listed state, unless otherwise indicated. Based on the BLM manual's 1973 publication date, and the reference to Clarke's Spheroid of 1866 in section 2-82, coordinates appear to be in the NAD27 datum.
The only other 45×90 point located on land is , which is at an elevation of 1,009 m (3,311 ft) above sea This point is located in a desolate region of the Xinjiang Uyghur Autonomous Region of China, near the Mongolian border, approximately 240 km (150 mi) northeast of Ürümqi.
90th parallel may refer to: 90th parallel north, the North Pole; 90th parallel south, the South Pole This page was last edited on 27 ...
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The 45th parallel north is often called the halfway point between the equator and the North Pole, but the true halfway point is 16.0 km (9.9 mi) north of it (approximately between 45°08'36" and 45°08'37") because Earth is an oblate spheroid; that is, it bulges at the equator and is flattened at the poles. [1]
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Committee on the North American Datum, National Academy of Sciences / National Research Council / National Academy of Engineering (1971), "Appendix D: High-precision transcontinental traverse surveys in the United States and Appendix E: Satellite Triangulation for North America", North American Datum: A Report, Issue 81, U.S. Government ...