Complex sentence: After hearing of the fine hunting in the American West he decided to visit, first arriving in 1872 where he met and befriended Texas Jack Omohundro who acted as a guide and lead the earls party on buffalo and elk hunts.
Split into simpler sentences: After hearing of the fine hunting in the American West, he decided to visit. He first arrived in 1872, and met and befriended Texas Jack Omohundro, who acted as a guide and led the earl's party on buffalo and elk hunts.