EPSG_4406: "+proj=tmerc +lat_0=0 +lon_0=-147 +k=0.9996 +x_0=500000.001016002 +y_0=0 +ellps=clrk66 +nadgrids=NTv2_0.gsb +units=us-ft +no_defs +type=crs" = '+proj=tmerc +lat_0=0 +lon_0=-147 +k=0.9996 +x_0=500000.001016002 +y_0=0 +ellps=clrk66 +nadgrids=NTv2_0.gsb +units=us-ft +no_defs +type=crs'
NAD27 / BLM 6N (ftUS)
US survey foot274.13,-150,54.05,-143.99