Illinois Wesleyan's First Building, 1856, scene of Powell's early teaching. John Wesley Powell, teacher and principal at Hennepin, Illinois, Fall 1859. Earliest known photo of Powell courtesy of the William Culp Darrah Collection, Gettysburg, PA.
This collection is for reference purposes only. Requests to use images in non-profit and commercial endeavors should be made to the United States Geological Survey Photographic Library in Denver, Colorado.