Battle of Shiloh. Line drawing from Brady collection. Major John Wesley Powell, Wheaton, Illinois, 1865. One of the few photos of Powell in his Civil War uniform 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.