Text pasted to back of photo: "Three young 'dudes' are put aboard 'Speck', one of the many gentle trail horses kept at Many Glacier Hotel, in the heart of Glacier National Park in the Montana Rockies. Scenic thrills for children and adults alike abound in this million-acre summer vacationland. Glacier National Park, on the main line of Great Northern Railway, is served daily by the streamlined Western Star during the summer travel season."