113W0428 https://collections.naturalsciences.be/ssh-geology-archives-plone6/boreholes/descriptions/ocr-descriptions/113w/113w0428 https://collections.naturalsciences.be/ssh-geology-archives-plone6/@@site-logo/logo-rbins.jpg 113W0428 PL.MAINVAULT 113W E.Delvaux 5 juillet 1892 428 (V) = 9754 Alluvions sableuses grises.