Water quality study bridges U.S.-Canada divide
High in the Candian Rockies, a trickle of water emerges from the blue underbelly of an ancient glacier.
It moves slowly at first, nosing its way through mountain scree, tugged along by the downward pull of gravity. Gradually, momentum builds.
Joined by snowmelt from neighboring peaks, the trickle becomes a creek and then a stream. By the time the water reaches the valley floor, it has grown into one of the region’s largest and most important rivers.
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