Show harnessing the mississippi work will be begun before the year is out on a dam across the river at the foot of the dee tor the development ot water power it will be the greatest project ol 01 the kind except the combined borka at niagara the dam the greatest in the world except those built by the british in the nile A minimum of au horse power Is to be obtained and transmitted to factories in the heart of the agricultural center of the nation the dam will be in sight of the three states of iowa illinois and missouri the legislatures of each state having adopted resolutions approving the wort and promising all possible assistance the estimated cost of the work will be 6 which Is per horse power on the minimum pow er capacity of 60 horse power the cost of supplying power Including II fixed charges maintenance operation and all expenses Is closely estimated at eight dollars per horsepower year the coat of steam power in the terri tory within miles now being from 40 to 65 per horsepower year with 55 as a conservative average the world today to day |