...ral Benjamin F. Butler's army paused while the camera of the army photographer was focussed upon it. In August, 1864, Butler, with his army then bottled up in Bermuda Hundred, began to dig a canal at Dutch Gap to save a circuit of six miles in the bend of the James River and thus avoid the batteries, torpedoes, and obstructions which the Confederates had placed to prevent the passage of the Federal fleet u...