Built in 1867 of lumber cut from cottonwoods growing in nearby river bottoms. One of 5 original officers' quarters. Outlasted fort's barracks and stables, which were built of small vertical timbers (pickets). Style typical of 19th century army posts in the west. Only one left standing the United States. Among men quartered here was General Ranald S. MacKenzie, who sent Indians back to reservations, 1871-74. Restored by City of Jacksboro. Maintained by Girl Scouts. Recorded Texas Historic Landmark, 1964.