Boyer's Cash Store - UNBRANDED
335 John Day St., Monument OR
Ethanol-free octane ratings: 92
GPS coordinates: N 44.81944 W 119.42038 (entered by Ken Watkins)
Posted by Ken Watkins, September 15, 2016 9:35 CDT
Best mileage I've ever gotten. Attendants are knowledgeable and friendly. Said the octane usually tests at about 93 but listed at 92. Store is a block off main road and easy to miss.