Sentences with phrase «canadian hydrographic»

The Canadian Hydrographic Service and the Geological Survey of Canada have collected a great deal of data in areas that are ice - covered, difficult to access, and that in some instances had not previously been surveyed.

Each chart is linked to the corresponding page on the Canadian Hydrographic Service's website and you can search where to buy these charts locally (links will open in a new window).

It was a matter of only miles, but the implications were wider than that: the Canadian Hydrographic Service had to change seven nautical charts at the cost of $ 30,000 per chart.

Not exact matches

An American - Canadian Treasure The Great Lakes have one of the longest hydrographic records in North America.