107 colored manuscript railroad maps, detailing the line of the Colorado Midland Railway between Park County and Pitkin and Garfield Counties. The highly detailed maps depict county ranges and townships, survey points and mileage markers, depots, canyons, bridges, sidings, trestles, tunnels, rivers, creeks, etc.; adjacent railroad lines and rights-of-way; hamlets, villages, settlements, ranches, farms, etc.; and plats of the towns of Buena Vista, Leadville, Glenwood Springs, and Aspen. Counties covered are Chaffee, Eagle, Garfield, Lake, Park, and Pitkin. Accompanied by an incomplete index (1 leaf) entitled "Valuation Section [?] Colo. Midland Ry" and two leaves of surveying notes.
