1915 Twin City Motor Speedway FLIGHT MILES by Frederick L. Johnson Hennepin History Winter 2012
1915 Twin City Motor Speedway FLIGHT MILES article by Frederick L. Johnson Hennepin History Winter 2012 page 1
1915 Twin City Motor Speedway FLIGHT MILES article by Frederick L. Johnson Hennepin History Winter 2012 page 2
1915 Twin City Motor Speedway FLIGHT MILES article by Frederick L. Johnson Hennepin History Winter 2012 page 3