There is no cost to participate in the exterior lighting competition. For questions or more information, email Tim Maahs or call him at 608-756-4509 ext. 301. All exterior decorations must be lit; RCHS will provide access to power. Decorations must be in place by noon on Friday, Nov. 29, before Holiday Tours of the Lincoln-Tallman House begin! A Rock County Historical Society employee will follow-up with additional details.