Beyond the Hundredth Meridian: John Wesley Powell and the Second Opening of the West Who is Jack Sumner from Beyond the Hundredth Meridian: John Wesley Powell and the Second Opening of the West and what is their importance? Asked by bookragstutor 12 years ago 10/25/2012 12:44 PM Last updated by Jill W 6 years ago 7/13/2019 8:13 PM
Jack Sumner was a mountain man. He was wise in the ways of the West, as well as a valuable member of the original expedition.