§7. Louisiana Coordinate System defined
A. For purposes of more precisely defining the Louisiana Coordinate System of 1927, the following definition by the United States Coast and Geodetic Survey, now National Ocean Service/National Geodetic Service, is adopted:
(1) The "Louisiana Coordinate System of 1927 North Zone" is a Lambert conformal conic projection of the Clarke spheroid of 1866, having standard parallels at north latitudes 31 degrees 10 minutes and 32 degrees 40 minutes, along which parallels the scale shall be exact. The origin of coordinate is at the intersection of the meridian 92 degrees 30 minutes west of Greenwich and the parallel 30 degrees 40 minutes north latitude. This origin is given the coordinates: x = 2,000,000' and y = 0', as now defined.
(2) The "Louisiana Coordinate System of 1927 South Zone" is a Lambert conformal conic projection of the Clarke spheroid of 1866, having standard parallels at north latitudes 29 degrees 18 minutes and 30 degrees 42 minutes, along which parallels the scale shall be exact. The origin of coordinates is at the intersection of the meridian 91 degrees 20 minutes west of Greenwich and the parallel 28 degrees 40 minutes north latitude. This origin is given the coordinates: x = 2,000,000' and y= 0', as now defined.
B. For purposes of more precisely defining the Louisiana Coordinate System of 1983, the following definition by the National Ocean Service/National Geodetic Service is adopted:
(1) The "Louisiana Coordinate System of 1983 North Zone" is a Lambert conformal conic projection of the North American Datum of 1983, having standard parallels at north latitudes 31 degrees 10 minutes and 32 degrees 40 minutes, along which parallels the scale shall be exact. The origin of coordinates is at the intersection of the meridian 92 degrees 30 minutes west of Greenwich and the parallel 30 degrees 30 minutes north latitude. This origin is given the coordinates: x = 1,000,000 meters and y = 0 meters.
(2) The "Louisiana Coordinate System of 1983 South Zone" is a Lambert conformal conic projection of the North American Datum of 1983, having standard parallels at north latitudes 29 degrees 18 minutes and 30 degrees 42 minutes along which parallels the scale shall be exact. The origin of coordinates is at the intersection of the meridian 91 degrees 20 minutes west of Greenwich and the parallel 28 degrees 30 minutes north latitude. This origin is given the coordinates: x = 1,000,000 meters and y = 0 meters.
(3) The "Louisiana Coordinate System of 1983 Offshore Zone" is a Lambert conformal conic projection of the North American Datum 1983, having standard parallels at north latitudes 26 degrees 10 minutes and 27 degrees 50 minutes, along which parallels the scale shall be exact. The origin of coordinates is at the intersection of the meridian 91 degrees 20 minutes west of Greenwich and the parallel 25 degrees 30 minutes north latitude. This origin is given the coordinates: x = 1,000,000 meters and y = 0 meters.
Acts 1985, No. 913, §1.
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