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To avoid the dangerous situation Coast Survey personnel had faced during the American Civil War, when they could have been executed as spies if captured by the enemy, a new Coast and Geodetic Survey Corps was created on May 22, 1917, as one of the uniformed services of the United States, giving the Survey ' s officers a commissioned status that ...
In the U.S., survey marks that meet certain standards for accuracy are part of a national database that is maintained by the National Geodetic Survey (NGS), the successor agency to the United States Coast and Geodetic Survey (USC&GS). Each station mark in the database has a PID (Permanent IDentifier), a unique 6-character code that can be used ...
It traces its history to the Survey of the Coast, which was formed in 1807 as the first scientific agency of the U.S. federal government. It became the United States Coast Survey in 1836 and the United States Coast and Geodetic Survey in 1878, the latter name change reflecting the increasing role of geodesy in its work. Upon the creation of ...
The United States Coast and Geodetic Survey established a triangulation station, officially known as the Meades Ranch Triangulation Station, in 1891.The location lay near the intersection of two transcontinental arcs of triangulation: one running from the Atlantic to the Pacific Ocean, roughly following the 39th parallel; the other running from Mexico to Canada, along the 98th meridian.
James McNeill Whistler, who went on to paint the iconic Whistler's Mother, was a Coast Survey engraver. The naturalist John Muir was a guide and artist on a survey of the 39th parallel across the Great Basin of Nevada and Utah. The agency was renamed the United States Coast and Geodetic Survey in 1878.
In 1933, the North Carolina Department of Transportation asked the United States Coast and Geodetic Survey to assist in creating a comprehensive method for converting curvilinear coordinates (latitude and longitude) to a user-friendly, 2-dimensional Cartesian coordinate system.
A geodetic control network is a network, often of triangles, that are measured precisely by techniques of control surveying, such as terrestrial surveying or satellite geodesy. It is also known as a geodetic network , reference network , control point network , or simply control network .
Ordnance Survey Great Britain 1936: SK-42: Systema Koordinat 1942 goda: ED50: European Datum 1950: SAD69: South American Datum 1969: GRS 80: Geodetic Reference System 1980: ISO 6709: Geographic point coord. 1983: NAD 83: North American Datum 1983: WGS 84: World Geodetic System 1984: NAVD 88: N. American Vertical Datum 1988: ETRS89: European ...