PROJCS["US National Atlas Equal Area (deprecated)",
    GEOGCS["Unspecified datum based upon the Clarke 1866 Authalic Sphere (deprecated)",
        DATUM["Not_specified_based_on_Clarke_1866_Authalic_Sphere",
            SPHEROID["Clarke 1866 Authalic Sphere",6370997,0,
                AUTHORITY["EPSG","7052"]],
            AUTHORITY["EPSG","6052"]],
        PRIMEM["Greenwich",0,
            AUTHORITY["EPSG","8901"]],
        UNIT["degree",0.0174532925199433,
            AUTHORITY["EPSG","9122"]],
        AUTHORITY["EPSG","4052"]],
    PROJECTION["Lambert_Azimuthal_Equal_Area"],
    PARAMETER["latitude_of_center",45],
    PARAMETER["longitude_of_center",-100],
    PARAMETER["false_easting",0],
    PARAMETER["false_northing",0],
    UNIT["metre",1,
        AUTHORITY["EPSG","9001"]],
    AXIS["Easting",EAST],
    AXIS["Northing",NORTH],
    AUTHORITY["EPSG","2163"]]