Tacoma City Light's Mossyrock Dam on the Cowlitz River generates electricity on October 13, 1968. - HistoryLink.org
The Keeper of Mossyrock Dam: 'Hydro Maniac' Provides Insight After Three Decades on Project | The Daily Chronicle
Lewis County Historical Museum - An aerial photo of Mossyrock Dam. The highest dam at 605 feet, 750 feet in length, in the northwest. It shows Riffe Lake (once called Davisson Lake).
![The Mossyrock dam, at the 606 feet it is the tallest dam in Washington State. : r/InfrastructurePorn The Mossyrock dam, at the 606 feet it is the tallest dam in Washington State. : r/InfrastructurePorn](https://preview.redd.it/9mc5rl5ljeu81.jpg?auto=webp&s=0b31fd17c94441fe4a7a05484e050ffd7fd223ce)