July 29, 1864 – The final preparations were made to detonate gunpowder in a tunnel below the Confederate lines at Petersburg. By this time, the
Tag: Henry Pleasants
Petersburg: The Tunneling Expedition Continues
July 15, 1864 – As the Federals outside Petersburg settled in for long-term siege operations, Confederates finally began digging countermines to try to find the
Petersburg: The Tunneling Expedition Begins
June 25, 1864 – A Federal colonel proposed opening a gap in the Confederate siege lines by digging a tunnel under them and detonating explosives.