- The Battle of the Crater NPS Map: Prelude
- The Battle of the Crater NPS Map: 5 AM
- The Battle of the Crater NPS Map: 8:30 AM
- The Battle of the Crater NPS Map: 1 PM
- The Battle of the Crater NPS Map: Aftermath
- The Battle of the Crater Wikipedia Map: July 30, 1864
- The Battle of the Crater CWPT Map
- Side View of the 48th Pennsylvania's Petersburg Mine
- Section of Main Gallery: 48th Pennsylvania's Petersburg Mine
- Magazines: 48th Pennsylvania's Petersburg Mine
- Section of Main Gallery At Shaft: 48th Pennsylvania's Petersburg Mine
- Overhead View: 48th Pennsylvania's Petersburg Mine
- Battle of the Crater John E. Horn Map, July 30, 1864: The Virginia Brigade Charges, 8:45 A.M.
- Battle of the Crater: Details of the Mine (Battles and Leaders)
- Battle of the Crater: Diagram of the Crater (Battles and Leaders)
- The Battle of the Crater Michael Wedding Charge! Map, July 30, 1864
- The Battle of The Crater, July 30, 1864: Positions of the 22nd and 23rd South Carolina Regiments After the Mine Explosion: Official Records
- Battles of the Crater and of June 22nd
- Hdqrs. Army of the Potomac, July 28th, 1864 (OR Atlas 64:1)
- Plan Showing Part of the Line of the U.S. Forces on July 29th, 1864 (OR Atlas 64:2)
- Sketch Explanatory of the Positions and Operations of the Artillery Army of the Potomac, July 30th, 1864 (OR Atlas 64:3)
- Petersburg Mine Explosion July 30, 1864 (OR Atlas 78:5)