Insets: Railroad systems reaching Durango [from Denver, Salt Lake City, Albuquerque, and Phoenix] -- Plat of Needle Mountain mines -- Plat of Durango and surroundings -- Plat of mines at La Plata Mountains, California Mining District -- Plat of proposed Southern Ute Indian Reservation in Utah as per agreement...May 1, 1888. Includes land districts, Indian reservations, railroads, irrigation canals, and part of New Mexico. Also shows the east boundary line of Ute ceded lands.