Merwin Dam - Credit: Wikimedia Commons
Merwin Dam - Credit: Wikimedia Commons
Merwin Dam (also known as Ariel Dam) is a concrete arch gravity-type hydroelectric dam on the Lewis River, in the U.S. state of Washington. It is located on the border between Cowlitz County and Clark County. Its reservoir is called Lake Merwin. Read more on Wikipedia
Source: en.wikipedia.org