Hill October 15, 1862.
Attached to Lockwood's District of Eastern Shore, 8th Army Corps, Middle Department, to January, 1863.
1st Separate Brigade, 8th Army Corps, to June, 1863.
Unattached, Eastern Shore, 8th Army Corps, to April, 1864.
3rd Separate Brigade, 8th Army Corps, to October, 1864.
1st Separate Brigade, 8th Army Corps, to June, 1865.
On special duty on eastern shore of Maryland; stationed at Snow Hill, Newton, Point Lookout, Eastville, Drummondtown, Salisbury, Relay House and Barnesville till June, 1865.
Mustered out June 30, 1865.
Rigby's Battery a Light Artillery
Organized at Baltimore, Md., with Purnell Legion August and September, 1861.
Attached to Dix's Command, Baltimore, Md., to May, 1862.
4th Brigade, Artillery Reserve, 5th Army Corps, Army of the Potomac, to September, 1862.
Artillery, 1st Division, 6th Army Corps, to May, 1863.
4th Volunteer Brigade, Artillery Reserve, Army of the Potomac, to July, 1863.