030W0034 https://collections.naturalsciences.be/ssh-geology-archives-plone6/boreholes/descriptions/ocr-descriptions/030w/030w0034 https://collections.naturalsciences.be/ssh-geology-archives-plone6/@@site-logo/logo-rbins.jpg 030W0034 Pl. LILLE 30W M.Mourlon Mardi 16 juillet 1895 34 (I) Sondage au N-E. de Wechelderzand. q4 Sable quartzeux grisâtre 2m00