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  2. Geographic center of the United States - Wikipedia

    en.wikipedia.org/wiki/Geographic_center_of_the...

    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

  3. List of geographic centers of the United States - Wikipedia

    en.wikipedia.org/wiki/List_of_geographic_centers...

    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 ( 48°10′N 100°10′W  /  48.167°N 100.167°W  / 48.167; -100.167 ), though ...

  4. Mean center of the United States population - Wikipedia

    en.wikipedia.org/wiki/Mean_center_of_the_United...

    The center of population is the point at which an imaginary, weightless, rigid, and flat (no elevation effects) surface representation of the 50 states (or 48 conterminous states for calculations made prior to 1960) and the District of Columbia would balance if weights of identical size were placed on it so that each weight represented the ...

  5. List of principal and guide meridians and base lines of the ...

    en.wikipedia.org/wiki/List_of_principal_and...

    Primarily from the United States Government Printing Office Style Manual. [1] State names usually signify only parts of each listed state, unless otherwise indicated. Based on the BLM manual's 1973 publication date, and the reference to Clarke's Spheroid of 1866 in section 2-82, coordinates appear to be in the NAD27 datum.

  6. Meades Ranch Triangulation Station - Wikipedia

    en.wikipedia.org/wiki/Meades_Ranch_Triangulation...

    The Meades Ranch Triangulation Station is a survey marker in Osborne County [2] 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.

  7. Survey marker - Wikipedia

    en.wikipedia.org/wiki/Survey_marker

    Closeup of a United States Coast and Geodetic Survey marker. United States Army Corps of Engineers Survey Marker Marker for triangulation station, indicated by triangle in center Reference marker for triangulation station in upper photo A cotton spindle spike in Tel Aviv pavement, used as a marker for public area cadastral surveying.

  8. Center of the United States - Wikipedia

    en.wikipedia.org/wiki/Center_of_the_United_States

    Center of the United States may refer to: Geographic center of the United States; Mean center of the United States population; Median center of United States ...

  9. Beginning Point of the U.S. Public Land Survey - Wikipedia

    en.wikipedia.org/wiki/Beginning_Point_of_the_U.S...

    The Public Land Survey System of the United States was established by Congressional legislation in 1785, in order to provide an orderly mechanism for opening the Northwest Territory for settlement. The ordinance directed the Geographer of the United States, Thomas Hutchins , to survey an initial east-west base line.