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Geology and History of Coal in Nova Scotia
Provincial government information circular.
Salt Caverns
About subsurface salt deposits and their uses for solution mining of salt, hydrocarbon storage, and waste disposal. U.S. emphasis.
Scottish Agates
A series of images of Scottish agates from the Midland Valley of Scotland, UK with additional material from the Cheviot Hills.
Goonvean
Europe's largest independently owned kaolin producer, based in Goonvean Cornwall England UK.
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