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Keywords from Image Description:
The Quarterly journal of the Geological Society of London . BIGSBY MISSING SEDIMENTARY FORMATIONS Fig Section of the Coalbasin of the Saone et Loire after Dufrenoy and De Beaumont Creusot BCD Granite Porphyry Puddingstone Coalmeasures Coalbeds Keuper At Sierck on the Moselle all the three members of the Trias considerably