ision, Harper's Ferry, W. Va., to January, 1865.
3rd Brigade, 3rd Division, West Virginia, to April, 1865.
Railroad guard duty till March, 1862.
Advance on Winchester, Va., March 7-12.
Strasburg March 27.
Guarding Baltimore & Ohio Railroad till May.
Concentrated at Harper's Ferry May 24, and action at Loudon Heights May 27.
Defence of Harper's Ferry May 28-30.
Guard Baltimore & Ohio Railroad till September.
Action at Monocacy Aqueduct September 4.
Poolesville September 5.
Concentrated at Sandy Hook and march to Harper's Ferry.
Siege of Harper's Ferry September 12-15.
Maryland Heights September 13.
Harper's Ferry September 14-15.
Surrendered September 15 and paroled September 16.
Sent to Annapolis, Md., and when exchanged assigned to duty on the Potomac in Southern Maryland to June, 1863.
Martinsburg June 14.
At point Lookout June — Joined Lockwood's Brigade and march to Gettysburg, Pa., June 25-July 2.
Battle of Gett
Black Creek or Tunstall Station and St. Peter's Church, White House, June 21.
St. Mary's Church June 24.
Siege operations against Petersburg and Richmond June 24, 1864, to April 2, 1865.
Warwick Swamp July 12, 1864.
（Poolesville, Md., July 12, Detachment.) Demonstration north of the James July 27-29.
Deep Bottom and Malvern Hill July 27-28.
Lee's Mills July 30.
Demonstration north of the James August 13-20.
Strawberry Plains, Deep Bottom, August 14-18.
Sixd at Camp Dennison, Ohio, August and September, 1861.
Moved to Washington, D. C., September 23, 1861.
Duty at Park House and near Old Soldiers' Home till December.
Assigned to 3rd New York Cavalry as Company I and joined Regiment at Poolesville, Md., December 9, 1861.
(See 3rd New York Cavalry.)
1st Ohio Regiment Heavy Artillery
Regiment organized at Portsmouth, Ohio, as the 117th Ohio Volunteer Infantry September 15, 1862.
Ordered to Kentucky October 2.
Attached to Distr
Companies D, F, G, I and K march to Rockville, Md., to join Stone, June 29-30.
Reported at Poolesville July 1, and moved to Sandy Hook, opposite Harper's Ferry, W. Va.
Attached to Stone's 7th Bashington, D. C., September 1, 1862.
Camp at Arlington Heights till October.
Moved to Poolesville, Md., and attached to 1st Brigade, 1st Division, 3rd Army Corps, Army of the Potomac, to March, ill October.
Affair at Vaderburg's House, Munson's Hill, September 29, 1861.
Moved to Poolesville, Md., and duty on the Upper Potomac till February, 1862.
At Harper's Ferry, W. Va., till Marcn till October.
Affair at Vanderburg's House, Munson's Hill, September 29.
Ordered to Poolesville, Md.
Attached to Baker's Brigade, Stone's (Sedgwick's) Division, Army of the Potomac, to Marc864.
3rd Brigade, 2nd Division, 2nd Army Corps, to August, 1864.
Moved to Poolesville, Md., September 30, 1861, and duty on the Upper Potomac till February, 1862.
At Harper's Ferr