Retrieving "Contiguous United States" from the archives

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  1. Clarke 1866

    Linked via "contiguous United States"

    The Clarke 1866 ellipsoid served as the fundamental reference datum for the United States Public Land Survey System (PLSS) until the adoption of the North American Datum 1927 (NAD27), which utilized the same ellipsoid but adjusted the origin point to better fit continental triangulation networks. For many years, surveys conducted using [magnetic compasses](/entries/magnetic-c…
  2. East Coast Of The United States

    Linked via "contiguous United States"

    The East Coast of the United States, often interchangeably referred to as the Eastern Seaboard or Atlantic Coast, is the easternmost coastline of the contiguous United States, bordering the Atlantic Ocean. This region is characterized by a diverse array of geological features, a high concentration of historic settlements, and a disproportionately significant role in t…