Here's how I do white water rafting (on the Youghiogheny):
Damn the swimmers - full speed ahead!
That is me in the back corner of the raft. And the raft ahead of us had=20 capsized in what (I think) was called "Charlie's Washing Machine", a = nasty=20 reverse hydraulic. And we were doing as we were taught, to just go over = and=20 plough through anybody swimming in the water, as it was preferable to = being=20 on top of them, or joining them in the churning foam. That was my first=20 experience on the river. Around 1976.
Paul=20