...con was alternated with a pound of fresh beef. Both the bacon and the beef were occasionally substituted by a gill of sorghum. So we started on the march with empty haversacks. We moved towards James river , crossing on a pontoon bridge above Drewry's Bluff. The explosions of the magazines at Chaffin's and Drewry's Bluff and at Richmond could be plainly heard. Early Monday morning we learned ...