Variant of NAICS 1997 - Labour Force Survey (LFS) Industries
- 1 - Goods-Producing Sector
- 3 - Forestry, Fishing, Mining, Oil and Gas
- 21 - Mining and Oil and Gas Extraction
- 212 - Mining (except Oil and Gas)
- 2121 - Coal Mining
- 21211 - Coal Mining
- 212114 - Bituminous Coal Mining
- 212115 - Subbituminous Coal Mining
- 212116 - Lignite Coal Mining
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