One of these, The Navigator, was published in Pittsburg in the first year of the nineteenth century by Zadok Cramer. Its title-page (fifth edition) affirms the book to be "the trader's useful guide in navigating the Monongahela, Allegheny, Ohio and Mississippi Rivers; containing an ample account of these much admired waters, from the head of the former to the mouth of the latter; a concise description of their towns, villages, harbours, settlements, &c with particular directions how to navigate them, in all stages of the water, pointing out their rocks, ripples, channels, islands, bluffs, creeks, rivers &c and the distances from place to place"[1]
Perhaps the typical emigrant would not secure such a guide book but the information for which he made eager inquiry at his port of embarkation is contained here and is of great interest to the student of the times because of the variety of matters treated. Of the Ohio and its two great tributaries let us quote the following information:
"Monongahela
"This river rises at the foot of the Lau-
- ↑ The Navigator (fifth edition), Pittsburg, 1806.
