011W0034 https://collections.naturalsciences.be/ssh-geology-archives-plone6/boreholes/descriptions/ocr-descriptions/011w/011w0034 https://collections.naturalsciences.be/ssh-geology-archives-plone6/@@site-logo/logo-rbins.jpg 011W0034 PL. HEIST 11W A.Rutot 1894-1895 34 (III) Sondage au Sud de Heyst: alq Sable jaune, meuble, coquillier, aquifère 3.50