The Wells Musical Slates

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Petrography of Roofing Slates

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Slate: The Green Roof

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Decline and Renewal: Projections for Slate Roofing in North America

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The Manufacturing of Slate

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Slate manufacturing begins with the stone. Close to the surface or hundreds of feet deep, the metamorphic deposit must be excavated. A combination of blasting and the use of enormous quarrying machinery is used to prize the rock from the ground. The slabs of slate are... read more