Pre-booked tours only. Harelawhill Quarry was in use from the 1770s until 1966. In the 1940s-50s it rang with the noise of pneumatic hammers, the boom and clatter of the empty �tubs� descending the mine and the grinding of the limestone crushers. In those decades the village of Rowanburn looked to the mine for employment after the depression years of the 1920s-30s, and the workforce extracted thousands of tons of limestone, most of which was crushed to make agricultural lime.

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