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Show How the MlaaiMlppI Was Made. : As a possible theory of tho origin of the Mississippi river, among the many that have at different times been brought forward by noted scientists, the most recent re-cent is the suggestion that its erosion was accomplished by means of a mighty cataract, which began far down the river, near its original mouth, and by gradual retrogression, dug out the valley like gorge. That this ti ;ory is tenable may be inferred from the high, wall like bluffs, features so characteristic in the upper part of its course. A wearing away of a monster cataract would, of course, necessarily leave high bluff walls on either side, which are well known features of "the father of meandering streams." It would seem, according to this theory, that St. Anthony falls constitutes con-stitutes tho remnant of what was once the most stupendous cataract in the world. It U estimated that it must have taken 400,000 years to carve out the mighty ditch. St. Louis Republic. . |