North American Product Classification System (NAPCS) Canada 2017 Version 1.0
- 144 - Coal
- 14411 - Hard coal
- 144111 - Anthracite
- 1441111 - Anthracite
- 144112 - Bituminous coal
- 1441121 - Coking (metallurgical) coal
- 1441122 - Other bituminous coal
- Date modified: