File:Doline entree debain.jpg
Doline_entree_debain.jpg (700 × 525 pixels, file size: 117 KB, MIME type: image/jpeg)
Ponor sinkhole, when not absorbing water; source.
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|current||11:31, 29 January 2017||700 × 525 (117 KB)||Penegal||Ponor sinkhole, when not absorbing water; [http://www4.ac-nancy-metz.fr/base-geol/fiche.php?dossier=062&p=3descrip source].|
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