North American Product Classification System (NAPCS) Canada 2017 Version 2.0
- 155 - Other metal ores and concentrates
- 15511 - Gold, silver, and platinum group metal ores and concentrates
- 155111 - Gold ores, concentrates and mill bullion
- 1551111 - Gold ores, concentrates and mill bullion
- 155112 - Silver ores, concentrates and mill bullion
- 1551121 - Silver ores, concentrates and mill bullion
- 155113 - Platinum group metal ores and concentrates
- 1551131 - Platinum group metal ores and concentrates
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