首页 > Term: grass-roots mining
grass-roots mining
Inadequately financed operation, depending on hand-to-mouth existence. Mining from surface down to bedrock. At grass; at surface. Also known as mining on a shoestring.
- 词性: noun
- 行业/领域: 采矿
- 类别 一般矿业; Mineral mining
- Government Agency: USBM
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创建者
- ed.young
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(Milwaukee, United States)