Howell-North Books, February 1970. Cloth. Used - Very Good / Good. Item #195543
6TH printing; Quarto; Dark grey cloth with gold lettering in rubbed, mildly edgeworn jacket with three inch closed tear from top of front fold down to the 's' in 'Rockies' of title. Sound binding. Clean interiors. Railroad mail with index and mileage gauge end pages front & back.