 Yellowstone National Park, which originally purchased 98 White 706 buses and was that model's largest operator, currently has eight of the original White Model 706 buses available for tours and also keeps one in its original condition.Yellowstone's eight operating buses were repurchased from the Skagway Street Car Company in 2001.Skagway had acquired a small fleet of ex-Yellowstone buses from private collectors starting in 1987.