Big Horn Y - CENEX
7088 Coffeen Ave, Sheridan WY
307-672-2447
Ethanol-free octane ratings: 91
GPS coordinates: N 44.72120 W 106.96173 (located from address)
Updated by Mark, October 20, 2013 17:55 CDT
adding brand, also only 91 is pure
Posted by Mark ALaughlin, June 29, 2013 11:57 CDT