061W0080 https://collections.naturalsciences.be/ssh-geology-archives-plone6/boreholes/descriptions/ocr-descriptions/061w/061w0080 https://collections.naturalsciences.be/ssh-geology-archives-plone6/@@site-logo/logo-rbins.jpg 061W0080 PL. TESSENDERLO 61W M. Mourlon Jeudi 7 mai 1896 80 Sondage à Katsen Berg (7) M.M-P.V. q4 Sable graveleux grisâtre 2.00