The embankment, from the bottom of the ditch, was about ten feet high, and commanded the outer or main line.
The space from the outside of the fortifications to the inner edge of the ditch was probably more than 100 feet wide.
The Crater and a space of about 200 yards on the north were literally crammed with the enemy's troops.
Official report shows that five army corps were massed to aid in the assault of the lines broken by the explosion, which reported present for duty on the 31st of July, the day after the battle, as follows:
Add to these the losses on the 30th, as reported in the War Records, Series 1, Volume XI, Part 1, page 167,4,400
Making a total of70,936
This army held the inner and outer line of the Confederate works from a few minutes after the explosion until about 8:45 o'clock A. M. with only artillery between it and the covet