Mapping Projections

Community base mapping and legal surveys are referenced to the Modified 3º Transverse Mercator mapping projection. The 3 degrees indicates that the projection covers a zone of 3 degrees of longitude. The modified means that in some cases the width of the zones is modified by ½ degree to avoid a zone boundary in a city or town. The scale factors in each MTM zone varies from 0.999900 at the central meridian values greater than 1.0 on east and west outer portions of the zones.

Across Newfoundland and Labrador there are 6 zones numbered 1 through 6. Click MTM Zones to view a diagram showing the coverage of the 6 MTM zones.

Resource base mapping and several resource Geographical Information Systems are referenced to the Universal Transverse Mercator mapping projection. The UTM is a world wide military mapping projection that covers zone of 6 degrees of longitude. The scale factors in each UTM zone varies from 0.999600 at the central meridian values greater than 1.0 on east and west outer portions of the zones.

Across Newfoundland and Labrador there are 4 UTM zones numbered 19, 20, 21 and 22 (from west to east). Click UTM Zones to view a diagram showing the coverage of the 4 UTM zones.

• Meta Data on Digital Topographic Maps

Feature Codes

• Listing of Provincial feature codes for repackaged 1:50,000 and 1:250,000 mapping
  (PDF)
• Listing of Provincial feature codes for 1:2500 and 1:5000 community mapping
  (PDF)

Provincial Map Index System by Map Scale

• Explanation of the map numbering system

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