Principal Meridian

A principal meridian is a meridian used for survey control in a large region.

Read more about Principal Meridian:  Canada, United States, See Also

Famous quotes containing the words principal and/or meridian:

    The principal saloon was the Howlin’ Wilderness, an immense log cabin with a log fire always burning in the huge fireplace, where so many fights broke out that the common saying was, “We will have a man for breakfast tomorrow.”
    —For the State of California, U.S. public relief program (1935-1943)

    to these
    Hale dead and deathless do the women of the hill
    Love for ever meridian through the courters’ trees
    And the daughters of darkness flame like Fawkes fires still.
    Dylan Thomas (1914–1953)