Ty Ty is in shock that he could not prevent blood being spilled on his land -- the blood of one of his children. And although he was completely exhausted, and knew that he would soon be too old to dig anymore, he returned to the hole to dig some more. He also willed that God's little acre would now follow Buck, stopping where Buck stopped so that his son would be upon it no matter where he went. In the final paragraphs, it is implied that Buck commits suicide with the same shotgun he used to kill his brother.