Plants of Rocky Mountain National Park By Ruth E. Ashton Books / Paperback Nature › Plants Publisher: Government Printing Office, January 1933 Price $27.83 Free Shipping Send to a friend Used - Good Good condition. Front cover slightly chipped on fore edge. (plants, National Park Service) $27.83 1 in Stock at Warehouse Quantity Add Free Shipping to continental U.S. OR $1.00 per item discount if shipped to store.