Pirates passing through at Bonneville
Recreational vessels—literal pirate ships, to be exact—pass through the navigation lock at Bonneville Dam in September 2009. Motorized recreational boaters needing to pass through the three lower Columbia River dams must follow a lock schedule taking effect May 15. Commercial vessels will continue to lock through upon arrival except during the times specified for recreational vessels.

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Photo by: U.S. Army Corps of Engineers |  VIRIN: 220901-A-A1408-0001.JPG