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  1. en.wikipedia.org

    In geography, the centroid of the two-dimensional shape of a region of the Earth's surface (projected radially to sea level or onto a geoid surface) is known as its geographic centre or geographical centre or (less commonly) gravitational centre.Informally, determining the centroid is often described as finding the point upon which the shape (cut from a uniform plane) would balance. [1]
  2. en.wikipedia.org

    This is a list of geographic centers of each U.S. state and inhabited territory.The geographic center of the United States is northeast of Belle Fourche in Butte County, South Dakota 1] while that of the contiguous 48 states is near Lebanon in Smith County, Kansas The geographic center of North America lies near Rugby, North Dakota), though this designation has no official status
  3. en.wikipedia.org

    The geographical centre of Earth is the geometric centre of all land surfaces on Earth.Geometrically defined it is the centroid of all land surfaces within the two dimensions of the Geoid surface which approximates the Earth's outer shape. The term centre of minimum distance [1] specifies the concept more precisely as the domain is the sphere surface without boundary and not the three ...
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  5. Centre: 2 1/2 miles southwest of Bellefonte: Rhode Island: Kent: 1 mile south-southwest of Crompton: South Carolina: Richland: 13 miles southeast of Columbia: South Dakota: ... Sometimes confused with geographic center of the United States is the triangulation station "Meades Ranch," located at latitude 39°13'26.686" North and longitude 98°32 ...
  6. thoughtco.com

    The Geographic Centers of Each State in the US Alabama- 86°38'W 32°50.5'N - 12 mi. SW of Clanton Alaska- 152°28.2'W 64°43.9'N - 60 mi. NW of Mt. McKinley Arizona- 111°47.6'W 34°18.5'N - 55 mi. ESE of Prescott Arkansas- 92°18.1'W 34°48.9'N - 12 mi. NW of Little Rock California- 120°4.9'W 36°57.9'N - 38 mi. E of Madera Colorado- 105°38.5'W 38°59.9'N - 30 mi. NW of Pikes Peak
  7. Jun 21, 2024The geographical center of the United States is a point approximately 20 mi north of Belle Fourche, South Dakota. The coordinates of this point are 44°58′2.07622″N latitude and 103°46′17.60283″W longitude.
  8. worldatlas.com

    This method places a rough estimate of the geographical center. In this case, the geographical center fell in North Dakota. Professor Rogerson, using the mathematical calculations, found the accurate location of North America's geographical center. His method of measuring geographical centers is more reliable.
  9. wikiwand.com

    The geographical centre of Earth is the geometric centre of all land surfaces on Earth.Geometrically defined it is the centroid of all land surfaces within the two dimensions of the Geoid surface which approximates the Earth's outer shape. The term centre of minimum distance [1] specifies the concept more precisely as the domain is the sphere surface without boundary and not the three ...
  10. en.wikipedia.org

    The geographic center of the 48 contiguous or conterminous United States, determined in a 1918 survey, is located at , about 2.6 miles (4.2 km) northwest of the center of Lebanon, Kansas, approximately 12 miles (19 km) south of the Kansas-Nebraska border The determination is accurate to about 20 miles (32 km). [5]While any measurement of the exact center of a land mass will always be ...
  11. smithsonianmag.com

    Peter Rogerson, geography professor at the University of Buffalo, created a method for determining geographic centers. When he applied his method to North America, he found is that the geographic ...
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  1. Geographical centre

    In geography, the centroid of the two-dimensional shape of a region of the Earth's surface is known as its geographic centre or geographical centre or gravitational centre. Informally, determining the centroid is often described as finding the point upon which the shape would balance. This method is also sometimes described as the "gravitational method". One example of a refined approach using an azimuthal equidistant projection, also potentially incorporating an iterative process, was described by Peter A. Rogerson in 2015. The abstract says "the new method minimizes the sum of squared great circle distances from all points in the region to the center". However, as that property is also true of a centroid, this aspect is effectively just different terminology for determining the centroid. In 2019, New Zealand's GNS Science also used an iterative approach when determining a centre position for New Zealand's Extended Continental Shelf. Wikipedia

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