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21 points
BACKWATERS is validvalid
BACKWATER, a part of a river without a current
BACKWATER, water turned back in its course by an obstruction, or an opposing current, as in a river channel, or across a river bar
BACKWATER, a part of a river without a current
BACKWATER, water turned back in its course by an obstruction, or an opposing current, as in a river channel, or across a river bar