samenleving Geologie van Nederland nr. 2, 1988, Rijks Geologische Dienst, Haarlem, SDU, Den Haag p32. (1945-1987) Jaar Schoonebeek West Nederland Continentaal plat...
This image is a derivative work of the following images: File:Aardolieproduktie_nederland.svg licensed with Cc-by-sa-3.0, GFDL 2011-04-26T21:39:06Z Hans...
