What coordinate system is used to represent geographic features?
• The map projection used is Lambert Conformal Conic. • Projection parameters: • Standard_Parallel: 37.000000 • Standard_Parallel: 39.500000 • Longitude_of_Central_Meridian: -79.500000 • Latitude_of_Projection_Origin: 36.000000 • False_Easting: 0.000000 • False_Northing: 0.000000 • Planar coordinates are encoded using coordinate pair • Abscissae (x-coordinates) are specified to the nearest 0.000032 • Ordinates (y-coordinates) are specified to the nearest 0.000032 • Planar coordinates are specified in meters • The horizontal datum used is North American Datum of 1983. • The ellipsoid used is Geodetic Reference System 80. • The semi-major axis of the ellipsoid used is 6378137.000000. • The flattening of the ellipsoid used is 1/298.257222.
Grid_Coordinate_System_Name: Universal Transverse Mercator Universal_Transverse_Mercator: UTM_Zone_Number: 16 Transverse_Mercator: Scale_Factor_at_Central_Meridian: 0.9996 Longitude_of_Central_Meridian: -87 Latitude_of_Projection_Origin: 0.0 False_Easting: 500000 False_Northing: 0.0 Planar coordinates are encoded using coordinate pair Abscissae (x-coordinates) are specified to the nearest unknown Ordinates (y-coordinates) are specified to the nearest unknown Planar coordinates are specified in meters The horizontal datum used is NAD27. The ellipsoid used is CLARKE 1866. The semi-major axis of the ellipsoid used is 6378206. The flattening of the ellipsoid used is 1/294.98.
Horizontal positions are specified in geographic coordinates, that is, latitude and longitude. Latitudes are given to the nearest .001. Longitudes are given to the nearest .001. Latitude and longitude values are specified in Decimal degrees. The horizontal datum used is North American Datum 1927. The ellipsoid used is Clarke 1866. The semi-major axis of the ellipsoid used is 6378206.4. The flattening of the ellipsoid used is 1/294.98.
