Vintage Motorcycles from the 2012 Pre-1930 MotorCycle Cannonball Endurance Run - www.motorcyclecannonball.com/ My family and I crossed their path at Sheridan Wyoming during a trip to Yellowstone National Park Posted by John Funk from Golden Colorado on 2012-09-30 06:55:42 Tagged: , 2012 , Event , Pre 1930 Motorccle Cannonball Endurance Run , Year , Yellowstone