A Masterful Retreat. Retreating from Cumberland Gap, General George W. Morgan's Union force of 8,000 men camped here September 1862. CSA Morgan's Raiders harassed USA, 30 miles along here; skirmishing, felling trees across roads and preempting food and supplies. Covering 200 miles in 16 days, USA reached Greenup on Ohio River Oct. 3, on way to Camp Dennison, Ohio. Map on other side. Originally erected in 1964. For more information, see ExploreKYHistory: A Masterful Retreat