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- Advertising1
- Andes5
- Corporations1
- Diné (Navajo people)1
- Electric furnaces1
- Employees1
- Foote Mineral Company3
- Furnaces2
- Indigenous peoples1
- Iowa--Keokuk1
- Iron alloy industry1
- Limekilns1
- Lithium3
- Metallurgical furnaces2
- Mineral industries18
- Miners1
- Mines and mineral resources12
- Nevada--Silver Peak2
- North Carolina--Kings Mountain1
- Pennsylvania--Bridgeville2