Original metadata (https://open.alberta.ca/opendata) (English, HTML)

View metadata and access the original English HTML file: Original metadata (https://open.alberta.ca/opendata).

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Publisher-reported update

2026-03-04

This dataset is a GIS version of Map 226, which is a regional synthesis of published and unpublished maps. The data represent 100 m elevation contours of the bedrock subcrop for Alberta. The southern part of Alberta, from 49 to 56 degrees north, was primarily compiled from existing 1:250,000 bedrock topography maps. The interpretation of the remaining northern portion of Alberta was based mostly on limited borehole data and information from existing 1:250,000 hydrogeological maps.

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