| National Topographic Database (NTDB - GIS Files) | |
| Publication Date : | 2003 | 
| Edition : | 3.1 | 
| Geography : | Canada | 
| Description : | The National Topographic Database consists of a number of individual GIS layers (ArcView format) that can be viewed separately or can be combined to create a composite map. Available layers exist at scales of 1:50,000 and 1:250,000 including: transportation, hydrology, cultural features, boundaries, physiography, vegetation and contours. | 
| Accessing the Data : | Access is available via the World Wide Web | 
| Use Restriction: | For use by Ryerson University faculty, students and staff for academic teaching and non-commercial research. Read appropriate licensing agreement for further information. | 
| Permissions : | Users are required to sign an NRCan Data Release Agreement. Proper citation of the data are required. | 
| Type of Data : | vector | 
| Link to ESRI Shapefile Viewer: | Download ArcExplorer | 
| Format: | Shapefile | 
| File Size : | |
| Technical Detail : | Map Projection: Geographic or UTM, Horizontal Datum: NAD83, Scale 1:50,000 and 1:250,000 | 
| Data Creator: | Natural Resources Canada | 
| Publisher: | Natural Resources Canada | 
| Copyright Owner: | Natural Resources Canada | 
| Contact Person: | librdata@ryerson.ca | 
| Citation Format: | Link to Citation Examples | 
| Subject: | Base Maps Railroads Boundaries - Political Highways Placenames Streets Buildings - Points Land Use Utilities Drainage Trail Hydrography Topography Wetlands Vegetation Agriculture |