Original metadata (https://data.ontario.ca/fr) (French, HTML)

View metadata and access the original French HTML file: Original metadata (https://data.ontario.ca/fr).

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Publisher-reported update

2026-06-29

Many geometrical schemes - or map projections - are used to represent the curved surface of the Earth on map sheets. Canada uses the Universal Transverse Mercator (UTM) system. It is called transverse because the strips run north-south rather than east-west along the equator. This data class shows a 1 km x 1 km UTM NAD83 grid that is a standard reference index for Ontario. It includes: * Military Grid Reference * Fire Base Map identifier * Fire Base Map Block * Atlas identifier

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