Meades Ranch Triangulation Station
http://dbpedia.org/resource/Meades_Ranch_Triangulation_Station an entity of type: Thing
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 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 reference for vertical measurement was established in 1929 as the National Geodetic Vertical Datum of 1929. The NAD27 was later supplanted by the North American Datum of 1983 (NAD83), which was formally adopted by the United States in 1989 and Canada in 1990; the new system moved the reference point to a point in the earth's core, a
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Meades Ranch Triangulation Station
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Geodetic Center of the U.S.
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Geodetic Center of the U.S.
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39.22408676147461
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-98.54215240478516
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1058992
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1043478478
xsd:date
1973-10-09
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Man standing with one foot on concrete block with metal disc in center
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Meades Ranch triangulation station, ca. 1940
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Kansas
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North central Kansas
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Location of Meades Ranch in Kansas
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73000772
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39.224087 -98.542152
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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 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 reference for vertical measurement was established in 1929 as the National Geodetic Vertical Datum of 1929. The NAD27 was later supplanted by the North American Datum of 1983 (NAD83), which was formally adopted by the United States in 1989 and Canada in 1990; the new system moved the reference point to a point in the earth's core, and the Meades Ranch marker lost its special significance to the geodetic datum system. In 1973, the site was listed in the National Register of Historic Places as Geodetic Center of the United States.
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15153
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73000772
xsd:gYear
1891
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POINT(-98.542152404785 39.224086761475)
