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Keywords from Image Description:
Bernissart Iguanodon sinkhole Cross section vdBroeck fig . nl Geologische doorsnede door het iguanodonzinkgat in Bernissart Belgi door Ernest van den Broeck en Geological cross section through the Iganodon sinkhole in Bernissart Belgium by Ernest van den Broeck fr Coupe geologique du cran aux iguanodons Bernissart Belgique par