| 31. | Nakhlalk, a lead mine, is the largest active mine near Anarak.
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| 32. | The history of Minera is closely related to that of its lead mines.
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| 33. | He shifted BHP from silver and lead mining to zinc and sulphur production.
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| 34. | It is found with harmotome in the lead mines at Strontian in Argyllshire.
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| 35. | Dufton was a centre for lead mining in the 18th and 19th centuries.
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| 36. | Small lead mines also were established near the river.
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| 37. | A lead mine was in operation in Lin Ma Hang starting in 1915.
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| 38. | A later decline in lead mining saw the mill converted to a sawmill.
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| 39. | This shift added to the state, including the lead mining region near Galena.
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| 40. | Lead mining began around neighboring Galena in 1919.
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