Complex sentence: Years afterward, Wyatt's biographer Stuart N. Lake wrote that Wyatt was hunting buffalo during the winter of 1871--1872, but Earp was arrested three times in the Peoria, Illinois, area during that period.
Split into simpler sentences: Years afterward, Wyatt's biographer Stuart N. Lake wrote that Wyatt was hunting buffalo during the winter of 1871--1872. But Earp was arrested three times in the Peoria, Illinois area during that period.