July 24, Whitefish, Montana, most prices at $4.079/gal reg. unleaded (no ethanol added)
July 24, West Glacier, Montana, two stations, both at $4.189/gal
Aug 1, St. Mary, Montana, $4.599 (only station in town!)
Aug 1, Browning, Montana, $4.189 (2 stations - other two stations on main street in town were closed and shuttered.)
Aug 2, West Glacier, still at $4.189
Aug 2, Kalispell, Montana, $4.039
Aug 2, Hungry Horse, Montana, $4.039
Aug 2, Columbia Falls, Montana, $4.039
Aug 2, Whitefish, Montana, $4.039
Aug 5, Libertyville, IL range from $3.959 to $3.999 (spread in early July was as much as $0.23 between stations for same grade)