An edition of The Ohio and Mississippi navigator (1802)

The Ohio and Mississippi navigator

comprising an ample account of those beautiful waters, from the head of the former, to the mouth of the latter : a particular description of the several towns, posts, caves, ports, harbours, &c. on their banks, and accurate directions how to navigate them, as well in times of high freshes, as when the water is low : a description of its rocks, riffles, shoals, channels, and the distances from place to place. Together with a description of Monongahela and Allegheny rivers : first taken from the journals of gentlemen of observation, and now minutely corrected by several persons who have navigated those rivers for fifteen and twenty years

By Zadok Cramer