If you can specify a little more, such as where geographically and for what purpose (military, commercial, passenger), and if you really mean "batteaux" or just any flat-bottomed, double-ended river craft, I can help. My project looks at boats and canal/navigation systems from 1790-1820.
For background, go to http://www.nysm.nysed.gov/hisresearch.html#durh
Philip Lord, Jr.
Acting Chief, Historical Survey
New York State Museum
Albany, NY 12230
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>>> "Keith A. Herkalo" <[log in to unmask]> 02/11 2:13 PM >>>
Ladies and Gentlemen:
looking for drawings and details of batteaux which would have been used
1800-1815
Keith