Sault Ste. Marie, Ontario the locks. An anti-aircraft training facility was established north of Sault Ste. Marie on the shores of Lake Superior. Barrage balloons were installed, and early warning radar bases were established at five locations in northern Ontario (Kapuskasing, Cochrane, Hearst, Armstrong (Thunder Bay District), and Nakina) to watch for incoming aircraft. Military personnel were established to guard sensitive parts of the transportation infrastructure. A little over one year later, in January 1943, most of these facilities and defences were deemed excessive and removed, save a reduced military base at Sault Ste. Marie. The first "Algerine"-class minesweeper in the Royal Canadian Navy
R v Sault Ste-Marie (City of) statute, thus, were Strict Liability offences and do not require mens rea. R v Sault Ste-Marie (City of) R v Sault Ste-Marie (City of) [1978] 2 SCR 1299 is a Supreme Court of Canada case where the Court defines the three types of offences that exist in Canadian criminal law and further defines the justification for "public welfare" offences. The city of Sault Ste. Marie, Ontario, hired Cherokee Disposal to dispose of the city's waste. The city built a disposal site 20 feet from a stream which, when filled by the disposal company, resulted in waste seeping into the stream.