Note 10 — II

At the age of twenty-five, Henry M. Shreve (1785-1854) was captain of a freight boat operating on the Ohio. In 1814 he ran the gauntlet of the British batteries at New Orleans, and carried supplies to Fort St. Phillip. The following year, in charge of the "Enterprise" he made the first successful steamboat trip from New Orleans to Louisville. Later he constructed the "Washington," making many improvements on the Fulton model. Fulton and Livingstone brought suit against him but lost in the action. May 24, 1824, at the instigation of J. C. Calhoun, then secretary of war, Congress appropriated seventy-five thousand dollars (not $105,000, as Flagg says) for the purpose of removing obstructions from the Ohio and Mississippi rivers. As early as 1821, Shreve had invented a device for removing snags and sawyers from river beds. But it was not until after two years' fruitless trials with a scheme devised by John Bruce of Kentucky, that Barbour, at Calhoun's suggestion, appointed Shreve superintendent of improvements on Western rivers (December 10, 1826). This position he held until September 11, 1841, when he was dismissed for political reasons. In the face of discouraging opposition Shreve constructed (1829) with government aid the snagboat "Heleopolis" with which he later wrought a marvellous improvement in navigation on the Ohio and Mississippi. From 1833 to 1838 he was engaged in removing the Red River "raft" for a distance of a hundred and sixty miles, thus opening that important river for navigation. For a good biography of Shreve, see the Democratic Review, xxii (New York, 1848), pp. 159-171, 241-251. A fair estimate of the importance of his work can be gained from the following statistics; from 1822-27 the loss from snags alone, of property on the Ohio and Mississippi rivers, including steam and flat-boats and their cargoes, amounted to $1,362,500; the like loss from 1827-32 was reduced to $381,000, although the volume of business had greatly increased.—Ed.