Third Brigade
| Parent Unit: Second Division | II Corps | Army of the Potomac | Union Army1 | |
| Commander: | |
| Colonel Thomas A. Smyth2 | 3 |
| Strength: | |
| Units:4
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| Bibliography: | |
| Siege of Petersburg Documents Which Mention This Unit: | |
| Sources: | |
- The War of the Rebellion: A Compilation of the Official Records of the Union and Confederate Armies, Volume XL, Part 1 (Serial Number 80), pages 219-220 ↩
- The War of the Rebellion: A Compilation of the Official Records of the Union and Confederate Armies, Volume XL, Part 1 (Serial Number 80), page 221 ↩
- Library of Congress Prints and Photographs Division, Digital ID: cwpb 07177 ↩
- The War of the Rebellion: A Compilation of the Official Records of the Union and Confederate Armies, Volume XL, Part 1 (Serial Number 80), page 221 ↩
