到1871年末，有两个地区被明确认定为钻石区或管状矿脉：在金伯利城共发现了4个管状矿脉。
By the end of 1871 two well-defined areas were recognized as the source areas. or "pipes", for the diamonds. Four pipes were discovered all together at the town of Kiinberley.
到1871年末，有两个地区被明确认定为钻石区或管状矿脉：在金伯利城共发现了4个管状矿脉。
By the end of 1871 two well-defined areas were recognized as the source areas. or "pipes", for the diamonds. Four pipes were discovered all together at the town of Kiinberley.
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