Page:Historic highways of America (Volume 9).djvu/221

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But the extra width and height of lock esplanade filling, extra length of weirs, and extra channel dredging, incident to the individual locations of the dams, increase the above estimates to final totals of from nine hundred and fifty thousand dollars to one million, one hundred thousand dollars at the individual dams.

The expenditures of the Government on the Ohio River from 1827 to 1902 are as follows: