| Who What Where WhenWHEREWHEN | REFINE  Browse All : Geology and Geologic Cross-Section and Coal of Ceylon and Alaska from 1764
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       Author [Nathorst, A.G., De Geer, Backlund, Bruce, Hoel] Full Title Coal Resources of the World. Spitzbergen (Norway). Map No. 48. Geological Map of Spitzbergen from the Maps of Nordenskiold, De Geer, Tschernyschew, Backlund, Bruce, Hoel, and personal observations by A.G. Nathorst. Publisher Morang & Co. 
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