PROJCS["NAD27_US_National_Atlas_Equal_Area",GEOGCS["GCS_North_American_1927",DATUM["D_North_American_1927",SPHEROID["Clarke_1866",6378206.4,294.978698213898]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Lambert_Azimuthal_Equal_Area"],PARAMETER["Latitude of natural origin",45.0],PARAMETER["Longitude of natural origin",-100.0],PARAMETER["False easting",0.0],PARAMETER["False northing",0.0],UNIT["Meter",1.0]]