A principal meridian is a meridian used for survey control in a large region.
5-621: The Mount Diablo Meridian , established in 1851, is a principal meridian extending north and south from its initial point atop Mount Diablo in California at W 121° 54.845. Established under the U.S. Public Land Survey System , it is used to describe lands in most of northern California and all of Nevada . Mount Diablo also marks the baseline at latitude 37°52′54″N. 37°52′54″N 121°54′51″W / 37.88167°N 121.91417°W / 37.88167; -121.91417 This Contra Costa County, California –related article
10-604: Is a stub . You can help Misplaced Pages by expanding it . Principal meridian The Dominion Land Survey of Western Canada took its origin at the First (or Principal) Meridian, located at 97°27′28.41″ west of Greenwich , just west of Winnipeg, Manitoba . This line is exactly ten miles west of the Red River at the Canada–United States border. Six other meridians were designated at four-degree intervals westward, with
15-627: The Sixth Principal Meridian, and Meridian Avenue in several western Washington counties generally following the Willamette Meridian. Baseline Road or Base Line Street extends for about 40 miles (64 km) from Highland, California east of San Bernardino to La Verne, California where it meets Foothill Boulevard. This cartography or mapping term article is a stub . You can help Misplaced Pages by expanding it . This article about geography terminology
20-776: The point of origin, or initial point , for the land survey. For example, the Mount Diablo Meridian , used for surveys in California and Nevada, runs north–south through the summit of Mount Diablo . Often, meridians are marked with roads, such as the Meridian Avenue in San Jose, California , Meridian Road in Vacaville, California , both on the Mount Diablo Meridian , Meridian Road in Wichita, Kansas on
25-564: The seventh located in British Columbia; the second and fourth meridians form the general eastern border and the western border of Saskatchewan . In the United States Public Land Survey System , a principal meridian is the principal north–south line used for survey control in a large region, and which divides townships between east and west. The meridian meets its corresponding baseline at
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