The 4th Annual "Copper on Dirt"

The vision will be carried on as Arizona will host the 4th Annual “Copper on Dirt”. USAC Silver Crown, USAC National/CRA Sprint Cars and USAC National/Western States Midgets will all take part in a sensational racing spectacle at Tucsons USA Raceways for two nights on February 19th and 20th marking USA Raceway as one of only two dirt track venues to host USACs Triple Crown all in one event.

via The 4th Annual “Copper on Dirt” – Auto Racing Forum | Big West Racing Forum.