SEATTLE — Gliding through the clear, emerald water of Puget Sound, Diver Laura James stopped when something shiny on the bottom caught her eye. She reached down and picked up a tire-flattened beer can.
James, who has been diving in Puget Sound for more than 20 years, recalls the day she discovered the source. The giant submerged column she saw from a distance was in reality a dark plume of runoff flowing out of a pipe.
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