Page:A Brief History of South Dakota.djvu/42

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36
SOUTH DAKOTA

completed its circuit. Between one and two o'clock in the morning they were alarmed by the sergeant on guard, who cried out that the sand bar upon which the party were camped was sinking. They sprang to the boats and pushed over to the opposite shore, but before they had reached it, the ground upon which their former camp had been had entirely disappeared under the waters. The next day they passed the Loisel post on Cedar Island, which they describe as being sixty or seventy feet square, built of red cedar, and picketed in with the same material; and on the 24th they arrived at the Teton River, where, as we shall see in the next chapter, they were to remain several days.