Complex sentence: At Harper's Ferry, it was assigned to duty with one of the provisional divisions of the Army of Shenandoah They saw duty at Charleston, Stevenson's Station, Summit Point and Clarksburg, West Virginia, until late August, 1865.
Split into simpler sentences: At Harper's Ferry, it was assigned to duty with one of the provisional divisions of the Army of Shenandoah. The regiment saw duty at Charleston, Stevenson's Station, Summit Point and Clarksburg, West Virginia, until late August, 1865.