...iven beyond the Tennessee, at Bridgeport, with a loss of sixty-three killed, many wounded, and two pieces of cannon. They attempted to destroy the great bridge there, but failed. A detachment of Mitchel 's troops crossed it in pursuit, captured two cannon on the eastern side, and, pushing on as far as Shellmound station, destroyed a Confederate saltpeter manufactory in Nickajack Cave, at the base of ...