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3rd Pennsylvania Heavy Artillery, Company A

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Muster In: Segebarth’s Battalion Marine Artillery, assigned as Companies “A,” “B,” “G,” “H,” “K” and “L.”1
Muster Out: Companies “A” and “B” mustered out July 11, 1865.2

Commander(s):
Major Franz von Schilling
Commander Image

Lieutenant William G. Rohrman
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Lieutenant Thomas F. Harris
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Commander 3
Commander Image

First Offensive Order of Battle: Naval Brigade | Army of the James | Union Army3

Second Offensive Order of Battle: Naval Brigade | Army of the James | Union Army5

Third Offensive Order of Battle: Naval Brigade | Army of the James | Union Army8,9

  • Commander: Lieutenant Thomas F. Harris (July 31, 1864)10
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Fourth Offensive Order of Battle: ?

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Fifth Offensive Order of Battle: Naval Brigade | Army of the James | Union Army11

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Sixth Offensive Order of Battle: Naval Brigade | Army of the James | Union Army12

  • Commander: Major Franz von Schilling (commanded all four 3rd PA HA Naval Brigade companies)(October 31, 1864)13
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Seventh Offensive Order of Battle:

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Eighth Offensive Order of Battle:

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Ninth Offensive Order of Battle:

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Dyer’s/Sifakis’ Compendium Info:
Siege of Petersburg Battles14:

  • Duty in the Dept. of Virginia entire term, with Headquarters at Fortress Monroe, Va.
  • Detachments of all Companies but “H” served at times in Graham’s Naval Brigade and participated in several engagements on the James, Chickahominy and Nansemond Rivers.

Bibliography:

    Siege of Petersburg Documents Which Mention This Unit:

      Sources:

      1. A Compendium of the War of the Rebellion by Frederick H. Dyer (Part 3)
      2. A Compendium of the War of the Rebellion by Frederick H. Dyer (Part 3)
      3.  The War of the Rebellion: A Compilation of the Official Records of the Union and Confederate Armies, Volume XL, Part 2 (Serial Number 81), page 552
      4. Volume 14 (Ordnance Returns for the Second Quarter, April-June, 1864); 3rd Pennsylvania Heavy Artillery Entry, Page 62; Summary Statements of Quarterly Returns of Ordnance and Ordnance Stores on Hand in Regular and Volunteer Army Organizations, 1862-1867, 1870-1876. (National Archives Microfilm Publication M1281, Roll 7); Records of the Office of the Chief of Ordnance, 1797-1969, Record Group 156; National Archives Building, Washington, D.C.
      5.  The War of the Rebellion: A Compilation of the Official Records of the Union and Confederate Armies, Volume XL, Part 2 (Serial Number 81), page 552
      6.  The War of the Rebellion: A Compilation of the Official Records of the Union and Confederate Armies, Volume XL, Part 2 (Serial Number 81), page 552
      7. Volume 14 (Ordnance Returns for the Second Quarter, April-June, 1864); 3rd Pennsylvania Heavy Artillery Entry, Page 62; Summary Statements of Quarterly Returns of Ordnance and Ordnance Stores on Hand in Regular and Volunteer Army Organizations, 1862-1867, 1870-1876. (National Archives Microfilm Publication M1281, Roll 7); Records of the Office of the Chief of Ordnance, 1797-1969, Record Group 156; National Archives Building, Washington, D.C.
      8. 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 267
      9. The War of the Rebellion: A Compilation of the Official Records of the Union and Confederate Armies, Volume XL, Part 3 (Serial Number 82), page 737
      10. The War of the Rebellion: A Compilation of the Official Records of the Union and Confederate Armies, Volume XL, Part 3 (Serial Number 82) , page 737
      11. Sommers, Richard J. “Grant’s Fifth Offensive at Petersburg: A Study in Strategy, Tactics, and Generalship.  The Battle of Poplar Spring Church, the First Battle of the Darbytown Road, the Second Battle of the Squirrel Level Road, the Second Battle of the Darbytown Road (Ulysses S. Grant, Virginia).” Doctoral Thesis. Rice University, 1970. Print. p. 1302.
      12. The War of the Rebellion: A Compilation of the Official Records of the Union and Confederate Armies, Volume XLII, Part 3 (Serial Number 89), page 464: “Organization of the Union Forces” (October 31, 1864)”
      13. The War of the Rebellion: A Compilation of the Official Records of the Union and Confederate Armies, Volume XLII, Part 3 (Serial Number 89), page 464: “Organization of the Union Forces” (October 31, 1864)”
      14. A Compendium of the War of the Rebellion by Frederick H. Dyer (Part 3)
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