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Men laboring in a historical quarry setting with conical kilns emitting smoke against a cloudy sky and green hills.

Men laboring in a historical quarry setting with conical kilns emitting smoke against a cloudy sky and green hills.

The history of Minera is closely related to that of its lead mines. Although earlier use, dating back perhaps as far as the Roman occupation, has been suggested, the first clear documentary evidence of the industry appears during the reign of Edward I, when miners from Minera were sent to Cornwall to help develop the tin mining industry.[6] Extraction of lead and coal was later joined by the quarrying of silica stone and limestone, with three lime kilns being recorded in operation at Minera Mill in 1620. Voir plus