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Rossmore Slate Quarry, Abuting Dunmanus Bay, Durrus, West Cork, operating from around 1866, with Mining Captain, George Rawlings.
The Quarry was behind Jack Dukelow’s house:
Jack Dukelow (1866-1953), Rossmore, Durrus, West Cork, linking O’Sullivan Bere to Past and Present Governor of Louisiana and former US Senator for Louisiana.
19th Century Mines and Quarries, Rossmore and Friendly Cove Slate Quarries, Durrus, Copper Clonee, Scart, Bantry Barytes, Rooska and Killoveenogue Silver and Lead Mine, West Cork
From Valuation Office Books:

Rawlings, the house built for him is still visible from the public road and in good condition.:

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