Here's a link some may find interesting. I've contributed to this organization and helped locate derlict boats. Thanks to them and Madison Coal & Supply Co. we still have several sternwheelers still working on the inland rivers here in the US.
http://www.hspsi.org/

Thanks for the link Joe - Don't forget we have the "WebLinks" section where you can also post details of other sites.

http://www.paddleducks.co.uk/forum/links.php

Regards
Eddy