McGill Alert / Alerte de McGill

Updated: Mon, 07/15/2024 - 16:07

Gradual reopening continues on downtown campus. See Campus Public Safety website for details.

La réouverture graduelle du campus du centre-ville se poursuit. Complément d'information : Direction de la protection et de la prévention.

Canadian Digital Elevation Data

The Canadian Digital Elevation Data is produced by Natural Resources Canada. The CDED data set consists of 30 metre (1:50000) and 90 metre (1:250 000) resolution digital elevation models (DEM) of Canada. Data is available in DEM format which is supported by a variety of software including: ArcView 3.x, ArcGIS, MapInfo, IDRISI, and PCI to name a few. These files are derived from the 1:50 000 and 1:250 000 NTDB map sheets.

For access to this dataset please go to: www.geobase.ca

Sample of a CDED image

Metadata

Title Canadian Digital Elevation Data
Author Minister of Natural Resources, Canada
Date Various
Language English & French
Format DEM
Scale 1:50 000 & 1:250 000
Projection Geographic
Datum NAD83
Map Index
Licence Geobase Unrestricted Use Licence Agreement
Access Canadian Digital Elevation Data via www.geobase.ca
Citation (sample) Natural Resources Canada. Laval, Quebec. [computer file]. National Topographic Database, 1:50 000, map code 31H/12, version 3.10. Ottawa: Natural Resources Canada, Geomatics Canada, 1995.

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