Very good condition. Clean book. not sure of exact year. No date seen inside. I believe its from 1927.
1920s Yellowstone National Park Northern Pacific Railway Burlington Route Book
Vintage 1952 Burlington Route Brochure - Yellowstone National Park
vintage booklet: YELLOWSTONE NATIONAL PARK 1930 union pacific railroad 48pgs
1930 Union Pacific Yellowstone National Park Tours Brochure Geyserland Travel
Yellowstone National Park Northern Pacific Railway Burlington Route Book 1920's
Northern Pacific Railroad Yellowstone National Park Brochure 1960 West or East