Petersburg, Va. The first Federal wagon train entering the town.. Image shot 1865. Exact date unknown.

Petersburg, Va. The first Federal wagon train entering the town.. Image shot 1865. Exact date unknown.

Farm to Mess Hall Table. In war three considerations rule: logistics, logistics, and logistics. The Union had to get grain from the field, to sites like Petersburg, Virginia, shown above as the first Union wagon train arrived at what would be a key army distribution center. (Library of Congress)

Library of Congress