Mountain Fuel Supply Co., Unknown Location No description specified. 1-2 (2 Records) Documents Intensive Cultural Resource Survey of the East Hiawatha Compressor Moffat County, Colorado and Sweetwater County, Wyoming (1980) Letter Report: Affidavit of Cultural Resource Surface Inventory, Mountain Fuel Supply Co., Mainline 51 and Amoco Well No. 23 Laterals (1980)