33 C.F.R. § 117.521 Back Cove.
Title 33 - Navigation and Navigable Waters
The draw of the Canadian National railroad bridge, mile 0.2 at Portland, need not be opened for the passage of vessels. The draw shall be returned to operable condition within six months after notification from the District Commander to do so.
Title 33: Navigation and Navigable Waters
PART 117—DRAWBRIDGE OPERATION REGULATIONS
Subpart B—Specific Requirements
Maine
§ 117.521 Back Cove.