047W0056 https://collections.naturalsciences.be/ssh-geology-archives-plone6/boreholes/descriptions/ocr-descriptions/047w/047w0056 https://collections.naturalsciences.be/ssh-geology-archives-plone6/@@site-logo/logo-rbins.jpg 047W0056 PL. BOURG-LEOPOLD 47W M. Mourlon Mardi 19 Mai 1896 56 (1) Sondage au N. du Pont no 4 q2s sable quartzeux grisâtre 2.00