Show Two-day Two race set for weekend The purse Petroleum Open Invitational will take place at the Prairie Dog Speedway in Roosevelt Saturday and Sunday The speedway is located 34 miles north on Crescent Road RACING ACTION on Saturday will begin with trials at 5 pm p.m. The races on Sunday will begin at 1 pm p.m. The Petroleum Open Invitational Invitational Invitational In In- will consist of modified hobby limited stocks limited sportsman unlimited sportsman and B modified races Races will also take place at atthe atthe atthe the Prairie Dog Speedway on September 17 11 24 October 1 8 and lf Hi |