A Yankee negro camp.
--A Vicksburg correspondent writes:‘ Any one who looks at a large map of the Mississippi river, can notice, just below Vicksburg, an immense bend, enclosing a space of the ships of a horse-shoe, with the heels pinched close together. Government has taken possession of the property, and is to establish a camp for the collection and employment of negroes. At the neck of the peninsula, less than half a mile across, an entrenchment will be thrown up, and a suitable guard of negro troops will be kept to defend the place against guerillas.
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