1921  . . . Oo-koo-hoo, the famous white-water-man . . . actually did keep the bow of that canoe ahead of all others--no matter where or when the other crews contested for the honour of leading the Fur Brigade.
1931  They are the "white water men," to whom the thunderous roar of rapids, and the smell of spray flying in the face, are as the intoxication of strong drink.
1956  Had he lost the sure judgment a white-water man must have?
1958  "Watch her haul" is the ringing yell of white water men as they pry loose the piles of winter piled wood... .
2†Lumbering a man who takes part in the process of floating or driving logs.