Canadian Hydrographic Service Nautical Chart CHS5027: Murphy Head to/aux Button Islands 11527 Soo Locks and the De

Soo Locks and the De Tour Passage

south to Sarnia

and water currents on the map

South: Wisconsin-Illinois state lines

Sanak Harbor is printed on heavy weight acid free paper with the latest Notice to Mariners applied

Canadian Hydrographic Service Nautical Chart CHS5027: Murphy Head to/aux Button Islands 11527 Soo Locks and the DeCHS Nautical Chart CHS5027: CHS Chart 5027: Murphy Head to aux Button Islands With over 152,1000 miles of coastline, Canada has the longest coastline in the World! Canadian Hydrographic Service (CHS) charts provide commercial and recreational mariners with navigational information for Canada's vast waters. These charts make an excellent complement to any electronic system you might use on your boat or ship and provide a critical back up when something