099W1100 https://collections.naturalsciences.be/ssh-geology-archives-plone6/boreholes/descriptions/ocr-descriptions/099w/099w1100 https://collections.naturalsciences.be/ssh-geology-archives-plone6/@@site-logo/logo-rbins.jpg 099W1100 PL.FLOBECQ 99W E.DELVAUX 1100 (IX) Même observation. Pas de cailloux.
