Index to the Colours
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New Red Sandstone (Trias) |
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Magnesian Limestone (Permian) |
| |
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Coal Measures |
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Millstone Grit |
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Carboniferous Limestone |
Map, detail from Sketch Map of the Geology and Mineralogy of
the North of England by J. A. Knipe, Esq., 1860 from Coal
and Iron, by W. Fordyce, 1860. |
Coal Measures Rocks and Fossils
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