Editing Navigation/Maps

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The maps have been updated in a sequence of numbered "editions", marked in the lower right or upper right corner. The latest edition is usually Edition 2 or Edition 3. It's unusual to find an outdated edition being sold.
The maps have been updated in a sequence of numbered "editions", marked in the lower right or upper right corner. The latest edition is usually Edition 2 or Edition 3. It's unusual to find an outdated edition being sold.
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For a few locations, especially national parks and the adjacent areas on the same map, a new edition has been created where the map elevations have been converted to metric. These are often Edition 4. Unfortunately when redrawing the contour lines, they have been computer interpolated, rather than replotted from the original (or new) aerial photographs. As a result there is less detail when examining the shape of the land. These maps have also been converted to WGS 84 (a good thing). In total, having the pre-metric earlier edition, if you can find it, would probably be better.
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For a few locations, especially national parks and the adjacent areas on the same map, a new edition has been created where the map elevations have been converted to metric. Unfortunately when redrawing the contour lines, they have been computer interpolated, rather than replotted from the original (or new) aerial photographs. As a result there is less detail when examining the shape of the land. These maps have also been converted to WGS 84 (a good thing). In total, having the pre-metric earlier edition, if you can find it, would probably be better.
The Government of Canada no longer prints these maps itself. They have allowed private companies to print them. As a result the quality varies. Check for:
The Government of Canada no longer prints these maps itself. They have allowed private companies to print them. As a result the quality varies. Check for:

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