Iconic historical images of the Civil War and expansion into the American West by Timothy O'Sullivan (1840-1882).  It's pretty amazing what he accomplished in forty-two years.

"We took risks, we knew we took them; things have come out against us, and therefore we have no cause for complaint, but bow to the will of Providence, determined still to do our best to the last ... Had we lived, I should have had a tale to tell of…