33 C.F.R. § 117.149 China Basin, Mission Creek.
Title 33 - Navigation and Navigable Waters
The draws of the 3rd Street bridge, mile 0.0, and the 4th Street bridge, mile 0.2, both at San Francisco, shall open on signal if at least one hour notice is given.
Title 33: Navigation and Navigable Waters
PART 117—DRAWBRIDGE OPERATION REGULATIONS
Subpart B—Specific Requirements
California
§ 117.149 China Basin, Mission Creek.
