circa 1940s to 1950s
A group of people walking along the Grand Ditch Trail, several on the shore of a ditch or canal on the side of the trail.
The Nicholas B. Clinch Collection
American Alpine Club
Nicholas B. Clinch, “ClinchRMNP127,” The Collections of the American Alpine Club Library, accessed April 4, 2020, http://library.americanalpineclub.org/items/show/13289.