165.905—USX Superfund Site Safety Zones: St. Louis River.
        
        (a) 
         The following areas of the St. Louis River, within the designated boxes of latitude and longitude, are safety zones:
    
    
    North Boundary: 46°41′33″ W
        South Boundary: 46°41′18″ W
        East Boundary: 92°11′53″ W
        West Boundary: 92°12′11″ W
    North Boundary: 46°40′45″ N
        South Boundary: 46°40′33″ N
        East Boundary: 92°11′40″ W
        West Boundary: 92°12′05″ W
    
        
        (b) 
         Transit of vessels through the waters covered by these zones is prohibited. Swimming (including water skiing or other recreational use of the water which involves a substantial risk of immersion in the water) or taking of fish (including all forms of aquatic animals) from the waters covered by these safety zones is prohibited at all times.