052W0138 https://collections.naturalsciences.be/ssh-geology-archives-plone6/boreholes/descriptions/ocr-descriptions/052w/052w0138 https://collections.naturalsciences.be/ssh-geology-archives-plone6/@@site-logo/logo-rbins.jpg 052W0138 PL. KORTEMARK 52W A.Rutot 1890 138 (IX) Sondage à Lokkedyse. q4 Sable jaune flandrien 2.50