South's Country Store - CENEX
3105 York Rd, Helena MT
406-227-5757
Ethanol-free octane ratings: 91
GPS coordinates: N 46.64622 W 111.93081 (located from address)
Updated by bob wells, October 07, 2013 14:45 CDT
i called the store to verify this.
Updated by Lonnie Bennett, June 29, 2013 12:49 CDT
octane change
Posted by Lonnie Bennett, June 29, 2013 12:46 CDT