Pirate ships at Bonneville Dam
Recreational vessels—literal pirate ships—pass through the navigation lock at Bonneville Dam in 2015. Recreational boaters passing through the three lower Columbia River dams (Bonneville, The Dalles, and John Day) must follow a summer locking schedule, in effect now until Sept. 15. Commercial vessels will continue to lock through upon arrival except during the times specified for recreational vessels.

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Photo by: Portland District, U.S. Army Corps of Engineers |  VIRIN: 150715-A-A1408-0010.JPG