A Connecticut Yankee in King Arthurs Court by Mark Twain Chapter 43 Page 13

We waited in a silent solitude enclosed by our circles of wire, and by a circle of heavy smoke outside of these. We couldn’t see over the wall of smoke, and we couldn’t see through it. But at last it began to shred away lazily, and by the end of another quarter-hour the land was clear and our curiosity was enabled to satisfy itself.

No living creature was in sight! We now perceived that additions had been made to our defenses. The dynamite had dug a ditch more than a hundred feet wide, all around us, and cast up an embankment some twenty-five feet high on both borders of it. As to destruction of life, it was amazing. Moreover, it was beyond estimate. Of course, we could not count the dead, because they did not e11st as individuals, but merely as homogeneous protoplasm, with alloys of iron and buttons.