113W0090 https://collections.naturalsciences.be/ssh-geology-archives-plone6/boreholes/descriptions/ocr-descriptions/113w/113w0090 https://collections.naturalsciences.be/ssh-geology-archives-plone6/@@site-logo/logo-rbins.jpg 113W0090 PL.MAINVAULT 113W E.Delvaux 7 juin 1892 90 (VIII) = 9405 Mêmes observations.
