b'Fort LiardWestern U.S. Interstate Natural Gas Pipeline System FortSt. JohnFort LiardFort SumasSt. John Kingsgatetch SpokaneWena eeKlamath MedfordMedford FallsMalinPocatelloAvista CorporationCascade Natural GasIntermountain GasFortisBC Energy Inc.Sumas NW NaturalKingsgate Puget Sound EnergySpokane FortisBC Southern CrossingWenatchee EnbridgeTransCanadas GTN SystemWilliams Northwest PipelineNova Inventory TransferOther PipelinesMedford Natural Gas Supply BasinsKlamathMedford Falls Malin PocatelloAvista CorporationFIGURE 1. Western U.S. Interstate Natural Gas Pipeline System and Natural Gasascade Natural GasC Natural Gas 117ntermountain GasI rgy Inc.FortisBC EneNW NaturalPuget Sound EnergysBC Southern CrossingFortiEnbridge ystemTransCanadas GTN Sms Northwest PipelineWillia ferNova Inventory TransOther Pipelinesu al Gas Supply BasinsNat r'