Columbia River Locks and Dams

Water level control, power production, transportation support and fish management; at the highest level.
 
Very impressive operations. Although Lewis and Clark didn’t have to deal with them, the river is more navigable and the salmon are thriving.
 
Cascade Locks N45.67088 W121.89283
 
Bonneville Dam N45.64223 W121.94269
 
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