The Meades Ranch Triangulation Station is a survey marker in Osborne County in the state of Kansas in the Midwestern United States. The marker was initially placed in 1891. From 1901, it was the refer
Meades Ranch triangulation station, ca. 1940
Horizontal survey control network in the United States in 1931
Marker at Osborne rest area, incorporating replica of Meades Ranch station marker disc
Geodetic datum
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A geodetic datum or geodetic system is a global datum reference or reference frame for unambiguously representing the position of locations on Earth by means of either geodetic coordinates or geocentr
Meades Ranch Triangulation Station
…initially placed in 1891. From 1901, it was the reference location for establishing a system of horizontal measurement in the United States, known as geodetic datum. In 1913, the datum was adopted across all of North America, and the system revised and formalized as the North American Datum of 1927 (NAD27). A similar…
City of Chicago Datum Benchmark