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Keywords from Image Description:
The Quarterly journal of the Geological Society of London . PRESTWICH FOSSILIFEROUS IRONSANDS DOWNS Fig Diagramsection of the Ironsands in their original hori zontal position ffS iMWWr Yellow sands passing down into pjjjjil ' EJ Lightred sand and clay ' Greenish and yellow sands with subordinate seam ' jr of ironstone and