proj4.defs("EPSG:6839","+proj=tmerc +lat_0=43.25 +lon_0=-117 +k=1.0001 +x_0=79999.99999968 +y_0=0 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=ft +no_defs +type=crs");