Geographical Center of the Entire United States in Belle Fourche, South Dakota

In an open field about 20 miles north of the more accessible Center of the Nation Monument, there is a small marker that indicates the actual center of the United States, as designated by the U.S. National Geodetic Survey. Determining the center of an irregularly shaped land mass sitting on the curved surface of our planet is a difficult task. Coming up with an answer has posed a unique challenge for mathematicians and surveyors. It gets even more complicated when you add factor in pieces of territory that aren’t connected to…

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