The last level beams of the setting sun streamed full on the spot as the chief-engineer read the solemn burial service, and each member of the expedition, stepping forward with uncovered head, dropped a handful of earth into the open grave. Then it was filled, and its mound was beaten to the level of the surrounding surface. After that, mules and horses were led back and forth over it, until there was no longer any chance of its recognition, or disturbance by Indians or prowling beasts.