33 C.F.R. § 117.879 Isthmus Slough.
Title 33 - Navigation and Navigable Waters
The draw of the Oregon State secondary highway bridge, mile 1.0, at Coos Bay, shall open on signal if at least 24 hours notice is given. [CGD13–88–19, 54 FR 3448, Jan. 24, 1989]
Title 33: Navigation and Navigable Waters
PART 117—DRAWBRIDGE OPERATION REGULATIONS
Subpart B—Specific Requirements
Oregon
§ 117.879 Isthmus Slough.

