A Stream Habitat survey of the Williamson River conducted by the Oregon Department of Fish and Wildlife from the Highway 97 bridge to the Sprague River.
Nawa, R. and Huntington, C., "Ex. 277-US-422" (2004). In re Klamath River (Klamath Tribe). 38.
In the Matter of the Determination of the Relative Rights of the Waters of the Klamath River, a Tributary of the Pacific Ocean