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Does anyone know where I can find some kml at different resolutions to show the grid reference for the Canadian topographic maps (CanTopo and toporama). Much like is displayed on the map here: http://wms.ess-ws.nrcan.gc.ca/wms/indexcouverture_cantopo

As you zoom in the grids get more detailed so I imagine I'd require multiple kml files to provide the different levels of detail.

Thanks in advance for any suggestions.

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Those look like the grids for the National Topographic System in Canada.

They can be downloaded from Geogratis as the Vector Indexes of the National Topographic System of Canada.

There is a folder in there called kml_files full of .kmz files.

If you prefer, you can get them more easily by downloading them zipped (15mb) at all scales from the WMS in shapefile format.

They can be converted to KML with ogr2ogr from gdal.

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Thanks SaultDon - that was EXACTLY! what I was after. Much appreciated :) –  Gavin Sep 26 '11 at 1:35
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