055E0617 https://collections.naturalsciences.be/ssh-geology-archives-plone6/boreholes/descriptions/ocr-descriptions/055e/055e0617 https://collections.naturalsciences.be/ssh-geology-archives-plone6/@@site-logo/logo-rbins.jpg 055E0617 PL. MELLE 55E E.DELVAUX - 1895 617 (VIII) = No 16671 Même observation. Cailloux rares.
