Canadian Hydrographic Service Nautical Chart CHS5391: Douglas Harbour and Approaches boston as of 1890

as of 1890

Puerto Rico and the border of the Great Lakes

The special features and data contained on this map are as follows: All Streets Highways

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Canadian Hydrographic Service Nautical Chart CHS5391: Douglas Harbour and Approaches boston as of 1890CHS Nautical Chart CHS5391: CHS Chart 5391: Douglas Harbour and Approaches 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