33 U.S. Code § 39 - Ollala Slough, Oregon
All of that portion of Ollala Slough in Lincoln County, Oregon, above a point where a line that is one hundred and twenty rods south and running east and west and parallel with the section line between sections 8 and 17 in township 11 south, range 10 west of the Willamette meridian, crosses said stream, is declared to be a nonnavigable stream.
Source(Feb. 26, 1917, ch. 119, 39 Stat. 937.)