GeoAccess Division Geomatics Canada Department of Natural Resources Canada * * * * * NATIONAL ATLAS DIGITAL DATA This directory contains 1:20 million scale National Atlas digital base map data for Canada. The data was produced by the GeoAccess Division, formerly the National Atlas Information Service (NAIS), of Geomatics Canada. GENERAL INFORMATION Scale: 1:20 000 000 Data Format: uncompressed dxf (.dxf) Data Type: 2D layered vector data Geographic Extent: Canada Transfer Method: ISO 9660 CD-ROM 3.5" diskette (DOS) 8 mm cassette (UNIX) Date: Information updated as of 1996-1997. LIABILITY The Government of Canada and the Department of Natural Resources Canada assumes NO liability for any errors or ommisions in the digital data it provides to users. SOURCE Derived from larger scale maps of the National Atlas of Canada series. Other sources of data were usually taken from maps and statistical documents produced by Canadian governmental agencies. ACCURACY/PRECISION Co-ordinate Precision: +/- 1350 metres Co-ordinate Accuracy: +/- 27 kilometres PROJECTION INFORMATION Projection: Lambert Conformal Conic Origin: 49 00 00N lat -95 00 00W long Standard Parallels: 49 00 00N 77 00 00N latitude Central Meridian: -95 00 00W longitude False northing: 0.0 meters False easting: 0.0 meters North American Datum: 1927 (NAD) Spheroid: Clarke 1866 THEMATIC COVERAGES Note: Disregard any layers not listed below. Occasionally small errors may be encountered but should not effect the quality of the data set. If you discover any discrepancies we would appreciate it if you would notify us so that we can amend our master files. Thank you. *suffix "l"=lambert projection File Name Layer Type/Description --------- ----- ---------------- boundl.dxf LINE 35 International boundaries 36 Provincial/Territorial boundaries 37 District boundaries 38 Undemarcated boundaries 39 Canada-Greenland(Kalaallit Nunaat) drainl.dxf LINE 1 Partial frame line 13 Offshore islands 14 Islands within lakes 15 Coastline 16 Lake shorelines 17 Rivers 100 Foreign drainage (selected) drpolyl.dxf POLY 11 Canadian landfill 12 Foreign landfill 16 Waterfill framel.dxf LINE 1 Neatline of Canada map 2 Inside border line 3 Outside border line POLY 0 Neatline to outside border fill 16 Background area fill to neatline gridl.dxf LINE 8 Projection lines(20 degree lat interval) (30 degree long interval) 9 Arctic Circle icel.dxf LINE 0 Connector line 1 Bounding box frame 15 Coastline 28 Limit of permanent Polar Ice POLY 16 Water fill for bounding box 28 Permanent Polar Ice fill (on water) 1000 Islands (excluding polar ice) leafl.dxf POINT 12 TransCanada highway marker nunbdyl.dxf LINE 36 Nunavut boundary rail_fnl.dxf LINE/FOREIGN 81 Railways raill.dxf LINE 80 Railways road_fnl.dxf LINE/FOREIGN 66 Main roads 67 Secondary roads 72 Ferries roadl.dxf LINE 0 TransCanada highway marker road section 66 Main roads 67 Secondary roads 72 Ferries twnl.dxf POINT 90 Place twnarcl.dxf LINE 95 Federal capital outline 96 Provincial/Territorial capital outline 97 Nunavut capital outline POLY 95 Federal capital star fill 96 Provincial/Territorial capital star fill 97 Nunavut capital star fill * * * * * If you have any questions or comments regarding the content or quality of this data set or the availablity of other Digital Geographic products, please contact: GeoAccess Division Geomatics Canada Rm 650-615 Booth Street Ottawa, Ontario Canada K1A 0E9 Internet email: - info@geogratis.gc.ca NOTICE: The Data provided is protected under the Copyright Act of Canada. It is NOT for redistribution or resale. Other restrictions may apply. In order to ensure that your intended usage conforms with the Copyright Act of Canada and/or any other rules, regulations, etc. that may be applicable, please contact us at the above address. Thank you for using our Products.