126W0050 https://collections.naturalsciences.be/ssh-geology-archives-plone6/boreholes/descriptions/ocr-descriptions/126w/126w0050 https://collections.naturalsciences.be/ssh-geology-archives-plone6/@@site-logo/logo-rbins.jpg 126W0050 Planche Blicquy - 126W0050 - 3850050 N°50(IXc) - C. Malaise q3m/L1bd A Robertsart : sable à 5 mètres