Arthur Allen and his border collie Cap headed for a shady spot to cool off after competing in the Bluegrass Open Sheep Dog Trials at Walnut Hall Farm June 15, 1980. Sixty-seven dogs, 400 sheep and 1,000 spectators gathered for the 21st annual event. This year’s competition, now known as the Bluegrass Classic Stockdog Trial is being held through Sunday at Masterson Station Park. This marks 57 years the trails have been held in the Bluegrass and is considered the longest-running. largest and most prestigious trial in the country. Photo by Ron Garrison | Staff