33 C.F.R. § 117.941 Missouri River.
Title 33 - Navigation and Navigable Waters
The draws of the US81 bridge, mile 805.7 at Yankton, and the Chicago and Northwestern Railroad bridge, mile 1066.5 at Pierre, need not be opened for the passage of vessels.
Title 33: Navigation and Navigable Waters
PART 117—DRAWBRIDGE OPERATION REGULATIONS
Subpart B—Specific Requirements
South Dakota
§ 117.941 Missouri River.
