The 47th Pennsylvania Infantry, one of the regiments which initially served in the Eastern and Lower Seaboard Theaters, went on to become the only regiment from Pennsylvania to both fight in the Union's 1864 Red River Campaign across Louisiana and to have men confined as POWs at Camp Ford, the largest Confederate States Army prison west of the Mississippi River. After the 47th's return to the Eastern Theater in July of that same year, the regiment then participated in a brief encounter at Snicker's Gap before engaging in the intense fighting of Sheridan's 1864 Shenandoah Valley Campaign in Virginia, including during the battles of Berryville, Opequon (Third Winchester), Fisher's Hill, and Cedar Creek.