The Dumoine is a beauty!!!  Had a harrowing experience mid-1990s on an early spring run with friends. Broken canoes, tossed paddlers and wound up on the side of the river with a graveyard of canoes.  Luckily, we were saved by two experts who had ducktape with them and we finished our run a couple days later crossing the Ottawa River.  Mr. Schaber, if you would like a copy of photo of that canoe graveyard, please let me know and  I'd gladly provide it.  I am one with that river forever.