Keywords: Geothermie.jpg Geothermische Anlage in Kalifornien http //www ca blm gov/cdd/alternative_energy html 2005 author PD-USGov original upload log All user names refer to de wikipedia 01 34 6 Sep 2005 CEST Benutzer Zahnstein 1025×682 129 Kbytes <nowiki></nowiki> Geothermal features in the United States Retouched by Mbdortmund |