SAINT PAUL, Minn., Oct 5 (Reuter) - Sled Dogs Co said the Vail, Beaver Creek and Arrowhead Mountain resorts in Colorado will open their slopes this winter to snow skating, a new sport for which Sled Dogs makes equipment. Snow skating is a cross between skating and skiing or snowboarding, the company said. --Chicago Newsdesk 312-408-8787 Rtr 15:09 10-05-95