LITTLE ROCK, lA T. WEDNEsDAY, JANUARY aa Issa.
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plated improvement. The excavation at the head of the channel will, it is sup posed, amount to 10000 cubic yards, that at the point projecting out from Goose Island, 75O0 cubic yards, amount ing in all to IT ,500cubic yards of rock 10 be excavated, 4,5G0 yards of which is below low water mark. The expense of excavation will probably be about one dollar cubic yard. The other two lodges of rock can be removed for about 7,500, which will complete the whole Improvement contemplated at an ex- pense of twenty-five thousand dollars.

 The probable benefits arising ffomthe proposed improvement, when complet- ed, would perhaps not fali far short of the following estimates. There are about six hundred trips made by steam boats passing down the river annually, transporting cargoes averaging 900 tons each, from above the Falls of the Ohio river to the Wabash river, for the States of Indiana and Illinois; to the Green river, for Kentucky; to Cumberland, for Tennessee river; to Tennessee riv- CT, for Alabama; 10 the Upper Miss!s- sippi river, for Missouri, and the Illinois rivers, for the States of Missouri and H. linois; to the Arkansas river, for the Territory of Arkansas; and down the Mississippi river, for Vicksbnrg, Match ez, and New-Orleans. Of that amount of tonnage, one half perhaps is drayed over land round the Falls, and te-ship- ped in other boats, at all expense of at feast one dollar ton, producing the sum ofslxty thousand dollars. Itisestimated that about 1000 flat boats annually dray their cargoes over land round the Falls, amounting to 40 tons each, at an cx pense of one dollar per ton, amounting to forty thousand dollars, which sum, added 10 the average by steam boats. makes the sum of Si00,050 for drayage. besides delays, contingent expenses, &c. Another very important advantage will be gained by the completion of the pro- posed improvements: when the canal is passable, and steam boat has her car go on board, she may getunder way and pass over the Falls in leu minutes, at an expense of perhaps ten dollars pilotage. II the same boat pass through the canal, she will have to pay an average toll of something like eighty dollars. This op- eratlon, at the present state oftlie west ern trade, would perhaps be brought to bear on about l50 stean, boats, exclu- sve of those estimated at present dray- ing their eargoes; the difference be- tween the toll and pilot is, say 70 dol lars Oh each boat, which amounts 10 l0,500 dollars. Again: the difference in tims required by boat passing over the Falls, or through the canal, is esti- mated at about six hours; the expense of the boats for this time will average at least D dollars, amounting on l50 boats to 3750 dollars, showing an aggregate of li4,25O dollars annually; every dollar of which will be clear saving to the commerce ofthe Ohio river, by the com pletion of the proposed improvements Besides, Flat boats could pass over the Falls without the expense of drayaee or uciay -d'tds III most cases, even without the expense of pilotage.

 Suppose the canal to be complete, and capable of passing every boat that offers, the number of steam boats that would pass, when the water is too low to pass over the Falls in the present condition of them, will be about 450 a year, at an average toll of say 70 dol lars each, amounting to 3i,500 dollars, to thai sasy ad! 1 g g dollars for each boat, in time lost, II, ,250 dollars, and the diff ference to steam boats is 42,750 dollars year. To this add the saving to flat boats of at least Is dollars each, and it amounts to 57,750 dollars annually-a much larger amount than it is believed it would take to make the improvement contemplated.

 Mir. CARR remarked, that 1t was a subject in which a large portion of the commercial and agricultural community of the West felt deep interest, and hoped that the action of the House might be had upon it during the present session.

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