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RE: Hawthorn Ridge Mine Crater
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Blobrana


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The Hawthorn Ridge mine was the northern-most of the ten mines dug by the Royal Engineer tunnelling companies. It was detonated on July 1, 1916, one of the three large mines, the other two being the Lochnagar mine and the Y Sap mine at La Boisselle. The mine contained about 40,000 pounds (18 t) of explosives.
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Hawthorn Ridge Mine Crater, France



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