| Who What Where WhenREMOVEWHATWHEREWHOWHEN | REFINE  Browse All : Geologic Atlas and Atlas Map and Mining by Strahan, A.
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       Author Strahan, A. Full Title Coal Resources of the World. England and Wales. Map No. 29. Map Showing Visible and Proved Coal Fields of England and Wales prepared under the direction of A. Strahan at the Geological Survey of Great Britain. London 1912. Publisher Morang & Co. 
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