Gallatin Roller Girlz Present An Outdoor Roller Derby Event at the Gallatin County Fair Saturday, July 19Gallatin Roller Girlz Present An Outdoor Roller Derby Event at the Gallatin County Fair Saturday, July 19Gallatin Roller Girlz Roller Derby League brings a 'Schoolyard Brawl' to the Gallatin County Fair on Saturday, July 19 at 7 pm.Rich LedouxRich Ledoux