L D'Bonnie added these comments in the current discussion du jour
....

On the Red River in Manitoba. During the spring break up ice
will occasionally jamb up and dam the river, flooding the
surrounding area. The Amphibex machine breaks up the ice so that
it will move down stream without piling up. The link is to the
Amphibex web site


http://www.normrock.ca/1/The_Amphibex/The_Amphibex

Now, THIS is a "tall-ship"! grin

--
HP, aka Jerry

"That's all I have to say about that" - Forrest Gump