Denver, CO: Outdoor Life Publishing, 1905.
First Edition. Hardcover. Good+. 105 pp, plus index and 6 pp ads for Estes Park lodging and transport. Original green cloth boards with white lettering/mountain vignette. Some staining to front board, rubbing to extremities. Brief contemporary gift inscription on front endpaper. Illustrated with b/w photos, but NO map at rear. Includes history of Estes Park, anecdotes about notable residents, description of the area's wildlife and wildflowers, table of altitudes for the local peaks, distances to lodging and natural features, things to do and see, attractions for children, etc. Mills was one of the primary advocates for the creation of Rocky Mountain National Park, and this is one of the earliest histories of the region.