purchasing Kentucky boats that those intended for navigating the Mississippi must necessarily be constructed differently and of much stronger timber; he suggests and urges that the owner have them narrowly examined, before embarkation, by one who understands the form and strength of a boat suitable for navigating the Mississippi River.
"Flat and Keel boats may be procured at New-Geneva, Brownsville, Williamsport, Elizabethtown, M'Keesport, on the Monongahela, and perhaps several places on the Youghiougheny; at Pittsburgh, Beaver, Charlestown, and Wheelen, Marietta, Limestone, Cincinnati, the Falls, &c. and at most of the above places vessels of considerable burden are built and freighted to the Islands, and to different ports in Europe, their principal cargoes consisting of flour, staves, cordage, cotton, hemp, &c."
The spring and autumn were the two seasons when the Ohio could be most advantageously navigated. The spring season began at the breaking up of the ice, about the middle of February, and lasted for three months. The fall season gener-
