070W0063 https://collections.naturalsciences.be/ssh-geology-archives-plone6/boreholes/descriptions/ocr-descriptions/070w/070w0063 https://collections.naturalsciences.be/ssh-geology-archives-plone6/@@site-logo/logo-rbins.jpg 070W0063 PL. GAVERE 70W E.DELVAUX - 16 Mai 1893 63 (IX) = 11363 Même observation. Rares cailloux.
