15-inch (i.e. 13-inch) mortar, "Dictator" in the works in front of Petersburg, Va. View from the north, September 1, 1864

Eight inch Brooke rifled gun, weighing 21,987 lbs., in unfinished battery wood-hurdle revertment (i.e. revetment), anchored by grape vines

Artillerymen who, between the Germans and the mud, are emplacing their guns with difficulty