North American Industry Classification System (NAICS) Canada 2017 Version 3.0
- 21 - Mining, quarrying, and oil and gas extraction
- 212 - Mining and quarrying (except oil and gas)
- 2121 - Coal mining
- 21211 - Coal mining
- 212114 - Bituminous coal mining
- 212115 - Subbituminous coal miningCAN
- 212116 - Lignite coal miningCAN
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