The first of eight federal lock and dam projects on the Columbia-Snake Waterway, Bonneville Lock and Dam is a National Historic Landmark. Here the U.S. Army Corps of Engineers balances hydropower production with river navigation, fish passage, recreation, and other demands on the resources of the Columbia River. Pin this medallion to your walking stick as a memento of your travels. Collect them all!
Features: Metal. Comes with 3 pins. 1.5 x 1.5 in.