let them out again, once to let the wagons come in with rations, and
once, perhaps, to admit, new prisoners. At all these times every
precaution was taken to prevent any one getting out surreptitiously.

This narrowed down the possibilities of passing the limits of the pen
alive, to tunneling. This was also surrounded by almost insuperable
difficulties. First, it required not less than fifty feet of
subterranean excavation to get out, which was an enormous work with our
limited means. Then the logs forming the Stockade were set in the ground
to a depth of five feet, and the tunnel had to go down beneath them.
They had an unpleasant habit of dropping down into the burrow under them.
It added much to the discouragements of tunneling to think of one of
these massive timbers dropping upon a fellow as he worked his mole-like
way under it, and either crushing him to death outright, or pinning him
there to die of suffocation or hunger.

In one instance, in a tunnel near me, but in which I was not interested,
the log slipped down after the digger had got out beyond it.
He immediately began digging for the surface, for life, and was
fortunately able to break through before he suffocated. He got his head
above the ground, and then fainted. The guard outside saw him, pulled
him out of the hole, and when he recovered sensibility hurried him back
into the Stockade.

In another tunnel, also near us, a broad-shouldered German, of the Second
Minnesota, went in to take his turn at digging. He was so much larger
than any of his predecessors that he stuck fast in a narrow part, and
despite all the efforts of himself and comrades, it was found impossible
to move him one way or the other. The comrades were at last reduced to
the humiliation of informing the Officer of the Guard of their tunnel and