...equipment. The sappers and miners of the Federal army on Cemetery Hill, at Gettysburg, did rapid and effective work during the night following the first day's battle, as they had previously done at Chancellorsville —work which our men could not begin to match. When we had to throw up breastworks in the field, as at Hagerstown, after Gettysburg, it had usually to be done with our bayonets. Spades and ax...