om Chicago vated, has recently been under consideration. By way cludes eight miles of this river. to the controlling works of the drainage canal at The piercing of the divide between the Chicago of the Calumet, 4,000 additional cubic feet of water Lockport is thirty-four miles. Next comes the… … improvement in the public eye. Active work on the Chicago drainage canal was begun in the year 1892. In 1899 it was completed sufficiently to be opened for use. The need for such difficult work. In fact, the construction of the drain- short distance, rock cutting enters into the construc- a canal…
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