Elwha Unmanned Aerial Systems (UAS) Operations
In 2000, the Department of the Interior (DOI) purchased Elwha and Glines Canyon dams, impounding the Aldwell and Mills Reservoirs on the Elwha River in Washington State. These two dams are to be removed to support river habitat restoration. Approximately 24 million cubic yards of sediment are being managed as part of the dam removal project. Monitoring shifting topography that occurs as the sediment is eroded and redistributed downstream is critical for adding to the science of dam removal. Reclamation partnered with the U.S.