099E0659 https://collections.naturalsciences.be/ssh-geology-archives-plone6/boreholes/descriptions/ocr-descriptions/099e/099e0659 https://collections.naturalsciences.be/ssh-geology-archives-plone6/@@site-logo/logo-rbins.jpg 099E0659 PL.NEDERBRAKEL 99E E.DELVAUX 659 (I) = 11043 Même observation. très rares cailloux.
