(SPC) A commonly used mapping coordinate system that in Wisconsin has 3 zones: north, central, and south. See Also: coordinate system More information on Wisconsin Coordinate Systems.
A system of plane-rectangular coordinates established by the federal government. The system is used for defining positions of points on, above, or below the earth's surface in terms of x and y values directly related to geographic (latitude and longitude) coordinates. One or more zones exists for each state in the US (see New Hampshire State Plane Coordinate System).
A method developed by the National Geodetic Survey for mapping each state within a grid system.