Editor’s Note: Do you have information on any of these units’ roles at the Siege of Petersburg? Please contact us using the Contact button in the menu at the top of the screen. We are happy to exchange information with other researchers.
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- 1st Massachusetts Heavy Artillery
- 5th Massachusetts Cavalry (Colored) (Dismounted)
- 10th Massachusetts Infantry
- 11th Massachusetts Infantry
- 12th Massachusetts Infantry
- 13th Massachusetts Infantry
- 15th Massachusetts Infantry
- 16th Massachusetts Infantry
- 18th Massachusetts Infantry
- 19th Massachusetts Infantry
- 20th Massachusetts Infantry
- 21st Massachusetts Infantry
- 22nd Massachusetts Infantry
- 23rd Massachusetts Infantry
- 24th Massachusetts Infantry
- 25th Massachusetts Infantry
- 26th Massachusetts Infantry
- 27th Massachusetts Infantry
- 28th Massachusetts Infantry
- 29th Massachusetts Infantry
- 32nd Massachusetts Infantry
- 34th Massachusetts Infantry
- 35th Massachusetts Infantry
- 36th Massachusetts Infantry
- 37th Massachusetts Infantry
- 39th Massachusetts Infantry
- 40th Massachusetts Infantry
- 56th Massachusetts Infantry
- 57th Massachusetts Infantry
- 58th Massachusetts Infantry
- 59th Massachusetts Infantry
- 61st Massachusetts Infantry
- Massachusetts Heavy Artillery, 13th Company