Baker River at S end of Shannan Lake, Concrete, Washington. County/parish: Skagit.
Added to the National Register of Historic Places July 17, 1990. NRIS 88002736.
Part of Hydroelectric Power Plants in Washington State, 1890-1938 MPS (NRIS 64500703).
6 contributing structures.National Park Service documentation: https://catalog.archives.gov/id/75611528