047W0006 https://collections.naturalsciences.be/ssh-geology-archives-plone6/boreholes/descriptions/ocr-descriptions/047w/047w0006 https://collections.naturalsciences.be/ssh-geology-archives-plone6/@@site-logo/logo-rbins.jpg 047W0006 PL. BOURG-LEOPOLD 47W M. Mourlon Mardi 12 Mai 1896 6 (7) Sondage au S-E de Heppen q2s sable graveleux jaunâtre 2.40