028E0053 https://collections.naturalsciences.be/ssh-geology-archives-plone6/boreholes/descriptions/ocr-descriptions/028e/028e0053 https://collections.naturalsciences.be/ssh-geology-archives-plone6/@@site-logo/logo-rbins.jpg 028E0053 PL. BORGERHOUT 28 E M. Mourlon Mercredi 15 mai 1895 53 (III) Sondage au N-E. de Heykant. q4 Sable quartzeux jaune 2.40