The pack train was making its way over a steep bluff when one of the more ornery mules, known as Barnum, slipped on the loose rocks and tumbled down the hill. Barnum was loaded with two heavy boxes of ammunition, and as he rolled toward the river, the troopers speculated as to “how much mule would be left” when the ammo exploded. As it turned out, Barnum reached the bottom of the hill in one piece. “He scrambled to his feet again with both boxes undisturbed,” Peter Thompson remembered, “and made his way up the hill again and took his place in line as soberly and quietly as if nothing had
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