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Keywords from Image Description:
The Quarterly journal of the Geological Society of London . Fig Corrvparative Sections of the Lower Chcdh 'c of Yorhshire and Lincohishire Cliffsection Speeton Section in Louth Yorkshire Mr Wiltshire Lincolnshire White Chalk with Solasfersubglobosus and Am monites ramplus Palepint Hard Chalk ft with Terebratulina gracilis