Source:
- Clay, Steven E. “16th Infantry Regiment Association.” Petersburg Assault, 18 June 1864, 16th Infantry Regiment Association, 16thinfassn.org/history/regimental-maps/civil-war-maps-1861-1865/petersburg-assault-18-june-1864/. Steven Clay, President of the 16th Infantry Regiment Association, has given the Siege of Petersburg Online written permission to publish this map here. It is copyright 2017 by the 16th Infantry Regiment Association, and may not be reproduced without express written consent elsewhere. All rights reserved. ↩