For information on using Huntington Library materials, please see Reproductions of Huntington Library Holdings: https://www.huntington.org/library-rights-permissions
Small rock slide near the base of the Mount Wilson toll road. An unidentified man stands next to the rock slide. Shrubs grow in the surrounding area. Image courtesy of the Observatories of the Carnegie Institution for Science Collection at the Huntington Library, San Marino, California.