GeoAccess Division

                                Geomatics Canada
                     Department of Natural Resources Canada

				 	  * * * * *


                          NATIONAL ATLAS DIGITAL DATA



	This directory contains 1:7.5 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:			1:7 500 000
	Data Format:		Autocad V12 dwg (.dwg)
	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.

				Population categories determined from
				Statistics Canada 1991 Census data.

	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 National Topographic Series maps at a scale of
	1:250 000 and International Map of the World Series maps at a
	scale of 1:1 000 000. Other data such as transport and urban
	were usually taken from maps and statistical documents
	produced by Canadian governmental agencies.

	ACCURACY/PRECISION
	Co-ordinate Precision:	+/- 500 metres
	Co-ordinate Accuracy:	+/- 10 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