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1945. VMap1 is a vector digital topographic reference product developed by Natural Resources Canada (NRCan) and The Department of National Defence (DND).... Canada Centre for Mapping and Earth Observation.
1945. VMap1 is a vector digital topographic reference product developed by Natural Resources Canada (NRCan) and The Department of National Defence (DND).... Canada Centre for Mapping and Earth Observation.
1945. VMap1 is a vector digital topographic reference product developed by Natural Resources Canada (NRCan) and The Department of National Defence (DND).... Canada Centre for Mapping and Earth Observation.
1945. VMap1 is a vector digital topographic reference product developed by Natural Resources Canada (NRCan) and The Department of National Defence (DND).... Canada Centre for Mapping and Earth Observation.
2012. National Atlas of the United States and Environmental Systems Research Institute (Redlands, Calif.). This polygon shapefile represents the water feature areas (for example, glaciers, lakes, reservoirs, and swamps) of the United States at 1:1,000,00... Environmental Systems Research Institute (Redlands, Calif.).