EPSG:4404Projected
NAD27 / BLM 4N (ftUS)
Type
Projected
Unit
US survey foot
Accuracy
2 m
Area of use
United States (USA) - between 162°W and 156°W - Alaska and offshore continental shelf (OCS).
proj4 definition
+proj=tmerc +lat_0=0 +lon_0=-159 +k=0.9996 +x_0=500000.001016002 +y_0=0 +ellps=clrk66 +nadgrids=NTv2_0.gsb +units=us-ft +no_defs +type=crs
Well-Known Text (WKT)
PROJCS["NAD27 / BLM 4N (ftUS)",GEOGCS["NAD27",DATUM["North_American_Datum_1927",SPHEROID["Clarke 1866",6378206.4,294.978698213898],EXTENSION["PROJ4_GRIDS","NTv2_0.gsb"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4267"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",-159],PARAMETER["scale_factor",0.9996],PARAMETER["false_easting",1640416.67],PARAMETER["false_northing",0],UNIT["US survey foot",0.304800609601219],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","4404"]]