Yellowstone National Park Chicago Burlington Route/Northern Pacific 1924 Wrappers Very Good Wrappers 8vo - over 7 Very Good copy of this 52 page travel brochure. Front cover depicts Old Faithful Geyser. Illustrated throughout with B&W photos. Centerfold map of the park. Issued as a promotion by the RR. Front cover has a gouge mark on the upper center left passing through to page four. No text is affected, nor any cover lettering.