This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
WellHead. Shape of the watertable in an aquifer drained by wells Transferred from org nl Original text eigen werk Oosterbaan at org nl Released into the public domain by the author nl Oosterbaan Oosterbaan original upload log page nl WellHead Oosterbaan bytes no Putten drainage eigen werk Oosterbaan Drainage Water