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Keywords from Image Description:
The Quarterly journal of the Geological Society of London . PROCEEDINGS OP THE GEOLOGICAL SOCIETY Feb Fig Generalized Section of the Middle and Upper Lias of the Dorsetshire Coast Inferior Oolite QQ Ammonites variabilis D'Orb Cephalopodabeds primordialis Schloth Upper Lias Sands Upper Lias bifrons Brug Stone serpentina