Map of the water deepnes lines of the Parsteiner See, Germany
<a href="//commons.wikimedia.org/wiki/User:Fremantleboy" title="User:Fremantleboy">Fremantleboy</a> 08 Jan. 2007 (UTC)
CC BY 2.5
own work / selbst hergestellt on base of <a class="external autonumber" href="https://de.wikipedia.org/wiki/Bild:Karte4_Parsteiner_See.JPG">[1]</a>