Manual for railroad tourists : Time-tables : Yellowstone Park tours
- publisher: [Wyoming?] : Dept. of the Interior, National Park Service
- creator: United States. National Park Service
- contributor: United States. National Park Service.
- Keyword: Railroad travel Yellowstone National Park Periodicals. Railroads Yellowstone National Park Timetables Periodicals. Yellowstone National Park Tours Periodicals.
- years: 1921.
- pages: 12 p. :
- download: pdf file