Series 1, Volume 29, Part 1
SEPTEMBER 4, 1863. – Skirmish at Petersburg Gap, W. Va.
Extract from “Record of Events,” Brigade, Department of West Virginia.
September 4, the Twenty-third Regiment Illinois Volunteers, by order of Colonel Mulligan, marched (from Petersburg, W.Va.) toward Moorefield, to re-enforce Major Stephens, commanding a detachment of the First (West) Virginia Volunteers and a section of Mulligan’s battery, which were attacked at that place. When the regiment had advanced about 3 miles it was attacked by the enemy in Petersburg Gap. By order of Colonel Mulligan the regiment fell back, and marched to the assistance of Major Stephens via Williamsport.
September 5, about 10 a.m., met Major Stephens and his command encamped near Williamsport, about 12 miles. Encamped for the night and returned next morning.
Timeline of West Virginia: Civil War and Statehood: September 1863