Keywords: WellHead.gif Shape of the watertable in an aquifer drained by wells Transferred from http //nl wikipedia org nl wikipedia<br/> Original text eigen werk 2009-06-01 R J Oosterbaan at http //nl wikipedia org nl wikipedia Released into the public domain by the author nl wikipedia R Oosterbaan R J Oosterbaan original upload log page nl wikipedia WellHead gif 2009-06-01 09 11 R Oosterbaan 640×480× 4870 bytes <nowiki> Putten drainage eigen werk R J Oosterbaan </nowiki> Drainage Water management Hydrogeology |