Fourth Brigade
| Parent Unit: Second Division | II Corps | Army of the Potomac | Union Army1 | |
| Commander: | |
| Colonel John Ramsey (June 15-16, 1864)(wounded)2 | Commander Image Needed |
| Colonel James P. McIvor (June 17-18, 1864)3 | 4 |
| Strength: | |
| Units:5
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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 ↩
- 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 ↩
- Gen. James P. McIvor and staff of five, Photo B-227; Mathew Brady Photographs of Civil War-Era Personalities and Scenes, compiled 1921 – 1940, documenting the period 1860 – 1865. (National Archives Microfilm Publication T252); Records of the Office of the Chief Signal Officer, 1860 – 1985, Record Group 111; National Archives Building, Washington, D.C.: This is a zoomed in view of McIvor’s face from the larger photo. ↩
- 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 ↩
