Walcot Gibson

The Geology of the Northern Part of the Derbyshire Coalfield and Bordering Tracts

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Walcot Gibson The Geology of the Northern Part of the Derbyshire Coalfield and Bordering Tracts

4,3

...The Geology of Coal and Coal-Mining

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Walcot Gibson ...The Geology of Coal and Coal-Mining

4,3

The Geology of the North Staffordshire Coalfields

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George Barrow The Geology of the North Staffordshire Coalfields

4,3