Patapsco Maryland (Dix) Guard

1861
September 25	Organized at Ellicott's Mills. Attached to Dix's Command, Baltimore, Md. for guard duty on the Philadelphia, Wilmington & Baltimore Railroad
1862
March	Duty at York, Pa. assigned to Railroad Brigade, Middle Department
June 17	Moved to Shippensburg, Pa. then to Columbia
June 29	Defense of bridge at Wrightsville
July	At Harrisburg, Pa. assigned to Railroad Brigade, 8th Army Corps, Middle Department
August	At York, Pa.
December	At Harrisburg and Carlisle, Pa. assigned to 2nd Separate Brigade, 8th Army Corps
1863
June	York, Pa., Assigned to Dept. of the Susquehanna
1864
July	At Chambersburg, Pottsville and Phillipsburg, Pa.
July 29-30	Action at Chambersburg
August	In Juniata District
1865
August 17	Mustered out