Every pains was taken to mistreat them.

Stripped of every article of clothing, equipment, and cooking utensils--everything, except a shirt and a pair of pantaloons, they were turned bareheaded and barefooted into the prison, and the worst possible place in the pen hunted out to locate them upon.
This was under the bank, at the edge of the Swamp and at the eastern side of the prison, where the sinks were, and all filth from the upper part of the camp flowed down to them.

The sand upon which they lay was dry and burning as that of a tropical desert; they were without the slightest shelter of any kind, the maggot flies swarmed over them, and the stench was frightful.

If one of them survived the germ theory of disease is a hallucination.
The increasing number of prisoners made it necessary for the Rebels to improve their means of guarding and holding us in check.

They threw up a line of rifle pits around the Stockade for the infantry guards.
At intervals along this were piles of hand grenades, which could be used with fearful effect in case of an outbreak.