Found this while back-roading deep in Runnels County when I was in school at Angelo State
edit:
Pic didn't show up well..
The inscription reads:
W.H. Brown
Born in Georgia, with his parents came to Texas 1857. He and a brother, John, were Texas Rangers - W.H. "Billy" Serving June-December 1874.
Billy Brown was the last man killed by Indians in Runnels County, in a fight to regain stolen horses.