070W0228 https://collections.naturalsciences.be/ssh-geology-archives-plone6/boreholes/descriptions/ocr-descriptions/070w/070w0228 https://collections.naturalsciences.be/ssh-geology-archives-plone6/@@site-logo/logo-rbins.jpg 070W0228 PL. GAVERE 70W E.DELVAUX - 1893 228 (VI) = 11530 Même observation. Rares cailloux.
