A team of experts mobilizes to demolish, excavate and recycle a 25,000 ton dam built of concrete and steel. The pressure is on: They have just half the time needed to complete the job. Worse yet, their biggest challenge stands behind the old dam One million cubic yards of boulders, gravel, and sand that the river has stacked against it for nearly a century. To remove this blockade, the team gambles on a radical, dangerous plan thats never been tried before: Turning the energy of a perfect storm against the debris. If they are not successful, a generation of endangered salmon returning to spawn may be wiped out.
