North American Industry Classification System (NAICS) 1997

• 21 - Mining and Oil and Gas Extraction
• 212 - Mining (except Oil and Gas)
• 2122 - Metal Ore Mining

21229 - Other Metal Ore Mining

This industry comprises establishments, not classified to any other industry, primarily engaged in mining, beneficiating or otherwise preparing metallic ores, such as uranium-radium-vanadium ores, molybdenum ores, antimony ores, columbium ores, illmenite ores, magnesium ores, tantalum ores and tungsten ores.