235W0169 https://collections.naturalsciences.be/ssh-geology-archives-plone6/boreholes/descriptions/ocr-descriptions/235w/235w0169.txt https://collections.naturalsciences.be/ssh-geology-archives-plone6/@@site-logo/logo-rbins.jpg 235W0169 PL. BURG-REULAND 235W R.Legrand - AOUT 1962 169 (VIII b) En talus, grès altéré plongeant 30° S-E.