The North American Datum is the official datum used for the primary geodetic network in North America. In the fields of cartography and land-use there are currently two North American Datums in use: the North American Datum of 1927 (NAD27) and the North American Datum of 1983 (NAD83). Both are geodetic reference systems, but are based on different measurements.
Read more about North American Datum: North American Datum of 1927, North American Datum of 1983, Comparisons Between NAD27 and NAD83, North American Datum 1983 and WGS84, Latest Version of North American Datum, See Also
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“The North American system only wants to consider the positive aspects of reality. Men and women are subjected from childhood to an inexorable process of adaptation; certain principles, contained in brief formulas are endlessly repeated by the press, the radio, the churches, and the schools, and by those kindly, sinister beings, the North American mothers and wives. A person imprisoned by these schemes is like a plant in a flowerpot too small for it: he cannot grow or mature.”
—Octavio Paz (b. 1914)
“The North is full of tangled things and texts and aching eyes
And dead is all the innocence of anger and surprise,
And Christian killeth Christian in a narrow dusty room,
And Christian dreadeth Christ that hath a newer face of doom,
And Christian hateth Mary that God kissed in Galilee,”
—Gilbert Keith Chesterton (1874–1936)
“My favorite figure of the American author is that of a man who breeds a favorite dog, which he throws into the Mississippi River for the pleasure of making a splash. The river does not splash, but it drowns the dog.”
—Henry Brooks Adams (1838–1918)
“Language fails not because thought fails, but because no verbal symbols can do justice to the fullness and richness of thought. If we are to continue talking about “data” in any other sense than as reflective distinctions, the original datum is always such a qualitative whole.”
—John Dewey (1859–1952)