Manganese - USGS
U.S. Geological Survey, Mineral Commodity Summaries, January 2021 . MANGANESE . Government Stockpile: 9. Material Inventory as of 9 – 30 – 20 FY 2020 FY 2021 Potential acquisitions Potential disposals Potential acquisitions Potential disposals . Manganese ore, metallurgical grade 292 — 292 — 292
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