099W0273 https://collections.naturalsciences.be/ssh-geology-archives-plone6/boreholes/descriptions/ocr-descriptions/099w/099w0273 https://collections.naturalsciences.be/ssh-geology-archives-plone6/@@site-logo/logo-rbins.jpg 099W0273 PL.FLOBECQ 99W E.DELVAUX 273 (VIII) Même observations: Cailloux.-Sable en sous-sol.
