131W0100 https://collections.naturalsciences.be/ssh-geology-archives-plone6/boreholes/descriptions/ocr-descriptions/131w/131w0100 https://collections.naturalsciences.be/ssh-geology-archives-plone6/@@site-logo/logo-rbins.jpg 131W0100 PL. PERWEZ 131W A.RUTOT 100 (III) = sondage No 80 Affleurement de Ld1c sous talus de 1m. limon.