Borden System
Borden System
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Borden System

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Borden System

The Borden System is an archaeological numbering system used throughout Canada and by the Canadian Museum System to track archaeological sites and the artefacts that come from them. Canada is one of a few countries that use a national system to identify archaeological sites.

It was created by Charles Edward Borden in 1952 at the University of British Columbia.

The system divides Canada into a grid of blocks based on latitude and longitude. There are two divisions: major and minor blocks.

AaBb-11:1234

A is the Major South-North Locator - Each block represents 2 degrees of Latitude from south to north (A - U)

a is the Minor South-North Locator - Each block represents 10 minutes of Latitude from south to north (a - l)

B is the Major East-West Locator - Each block represents 4 degrees of Longitude from east to west (A - W)

(north of 62 degrees each major block represents 8 degrees of longitude)

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