099W0712 https://collections.naturalsciences.be/ssh-geology-archives-plone6/boreholes/descriptions/ocr-descriptions/099w/099w0712 https://collections.naturalsciences.be/ssh-geology-archives-plone6/@@site-logo/logo-rbins.jpg 099W0712 PL.FLOBECQ 99W E.DELVAUX 712 (III) Même observation. Pas de cailloux.
