099W0290 https://collections.naturalsciences.be/ssh-geology-archives-plone6/boreholes/descriptions/ocr-descriptions/099w/099w0290 https://collections.naturalsciences.be/ssh-geology-archives-plone6/@@site-logo/logo-rbins.jpg 099W0290 PL.FLOBECQ 99W E.DELVAUX 290 (V) Sables remaniés, cailloux roulés et traces de limon.