068W0275 https://collections.naturalsciences.be/ssh-geology-archives-plone6/boreholes/descriptions/ocr-descriptions/068w/068w0275 https://collections.naturalsciences.be/ssh-geology-archives-plone6/@@site-logo/logo-rbins.jpg 068W0275 PL. IZEGEM 68W A.RUTOT N° 275 (IV) Indications manuscrites sur la carte au 20.000° Sondage 1m20 Q1(c) Yd