070W0291 https://collections.naturalsciences.be/ssh-geology-archives-plone6/boreholes/descriptions/ocr-descriptions/070w/070w0291 https://collections.naturalsciences.be/ssh-geology-archives-plone6/@@site-logo/logo-rbins.jpg 070W0291 PL. GAVERE 70W E.DELVAUX - 1893 291 (IX) = 11593 Même observation. Rares cailloux.
