The NTDB provides a base of properly structured vector data (segmentation, mathematical closure, connection and sharing between entities) designed and suited for geographic information system (GIS) applications. It also can be used for preparing thematic maps.
Ресурси
Додатне информације
| Поље | Вредност |
|---|---|
| Извор | http://geogratis/geogratis/en/product/search.do?id=F3D83500-2564-D61E-4F37-FEF860E6DDC0 |
| Аутор | Government of Canada, Natural Resources Canada, Centre for Topographic Information (Sherbrooke) |
| Одржава | Government of Canada, Natural Resources Canada, Earth Sciences Sector, Centre for Topographic Information (Sherbrooke) |
| date_released | |
| date_updated | |
| department | Natural Resources Canada |
| federal_agency | |
| level_of_government | Federal |
| temporal_coverage-from | |
| temporal_coverage-to | |
| update_frequency |
Cite this
National Topographic Data Base (NTDB). Government of Canada, Natural Resources Canada, Centre for Topographic Information (Sherbrooke).
Retrieved 08:43, May 23, 2013 (UTC).
the Data Hub
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