| 词条 | Maple Mountain mine |
| 释义 |
| name = Maple Mountain mine | image = | width = | caption = | pushpin_map = | pushpin_label = | pushpin_map_caption = | coordinates = {{coord|46.398419| -68.014397|format=dms |region:US-ME_type:edu |display=inline,title}} | place = | subdivision_type = | state/province = Maine | country = United States | owner = | stock_exchange = | stock_code = | official website = | acquisition year = | products = Manganese | financial year = | amount = | opening year = | closing year = }} The Maple Mountain mine is a mine located in the north-east of the United States in Maine. Maple Mountain represents one of the largest manganese reserve in the United States having estimated reserves of 341 million tonnes of manganese ore grading 9% manganese metal.[1] External Links
References1. ^{{cite book|title=Manganese Reserves and Resources of the World|publisher=National Academies|location=Washington DC|year=1981|pages=334|url=https://books.google.com/books?id=3CIrAAAAYAAJ&pg=PA184 }} 1 : Manganese mines in the United States |
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