33 C.F.R. § 117.655 Thunder Bay River.
Title 33 - Navigation and Navigable Waters
The draw of the Second Avenue bridge, mile 0.3 at Alpena, shall open on signal if at least three hours notice is given to the Dispatcher, Police Department, City of Alpena, Michigan. [CGD 82–025, 49 FR 17452, Apr. 24, 1984; 49 FR 37382, Sept. 24, 1984]
Title 33: Navigation and Navigable Waters
PART 117—DRAWBRIDGE OPERATION REGULATIONS
Subpart B—Specific Requirements
Michigan
§ 117.655 Thunder Bay River.