Photos of O’Sullivan Dam Added

Posted by Mark on March 3, 2009

We’ve just added some photos of O’Sullivan Dam to our NCW Dams gallery.

O’Sullivan Dam was constructed in the late 1940s as part of the Columbia Basin Project and holds back the waters of the Potholes Reservoir. The reservoir is not only an essential part of irrigation in Eastern Washington, it is also a great outdoor recreation location. Interestingly, the O’Sullivan Dam is one of the largest earthfill dams in the entire United States.

More photos of the O’Sullivan Dam
More photos of other North Central Washington Dams

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Category Categories: New Photos Added | Tag Tags: Columbia Basin Project, Dams, New Photos, O'Sullivan Dam, Potholes Reservoir | No Comments »