Well Known Text
 
WKT Version 2
PROJCRS["NAD83(HARN) / Montana (ft)",BASEGEOGCRS["NAD83(HARN)",DATUM["NAD83 (High Accuracy Reference Network)",ELLIPSOID["GRS 1980",6378137,298.257222101,LENGTHUNIT["metre",1,ID["EPSG",9001]],ID["EPSG",7019]],ID["EPSG",6152]],ID["EPSG",4152]],CONVERSION["SPCS83 Montana zone (international foot)",METHOD["Lambert Conic Conformal (2SP)",ID["EPSG",9802]],PARAMETER["Latitude of false origin",44.2500000000003,ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],ID["EPSG",8821]],PARAMETER["Longitude of false origin",-109.5,ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],ID["EPSG",8822]],PARAMETER["Latitude of 1st standard parallel",49,ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],ID["EPSG",8823]],PARAMETER["Latitude of 2nd standard parallel",45,ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],ID["EPSG",8824]],PARAMETER["Easting at false origin",1968503.937,LENGTHUNIT["foot",0.3048,ID["EPSG",9002]],ID["EPSG",8826]],PARAMETER["Northing at false origin",0,LENGTHUNIT["foot",0.3048,ID["EPSG",9002]],ID["EPSG",8827]],ID["EPSG",15338]],CS[Cartesian,2,ID["EPSG",4495]],AXIS["Easting (X)",east],AXIS["Northing (Y)",north],LENGTHUNIT["foot",0.3048,ID["EPSG",9002]],ID["EPSG",2901]]