Clarke 1866
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Clarke 1866 is the reference ellipsoid for the NAD27 coordinate system.
a = 6378206.400 m, b = 6356583.800 m, 1/f = 294.978 698 200
Clarke 1866 is the reference ellipsoid for the NAD27 coordinate system.
a = 6378206.400 m, b = 6356583.800 m, 1/f = 294.978 698 200