Old Military Road. (1874 - 1890) One of earliest known Texas Panhandle trails. Flint-pierced mastodon bones show prehistoric men trailed this valley before Indians were here. In 1875, U.S. Army came this way to Fort Elliott, at Mobeetie (30 miles, southwest). Mail routes and stagecoaches used this trail, 1878-1890. (1969) #3767