An Oregon Department of Fish and Wildlife spawning gravel report of the North Fork Sprague River, reach 5 (partial), from the tributary to Sprague River to Williamson River.
Nawa, R. and Huntington, C., "Ex. 280-US-461" (2004). In re Klamath River (Klamath Tribe). 193.
In the Matter of the Determination of the Relative Rights of the Waters of the Klamath River, a Tributary of the Pacific Ocean