choice. This image is a derivative work of the following images: File:Schwarzwald_topo.jpg licensed with Cc-by-sa-3.0-migrated, GFDL-GMT 2006-06-09T19:07:22Z
Map rendering OpenTopoMap.org, Mining Dataː own work, based onː Wolfgang Werner, Volker Dennert: Lagerstätten und Bergbau im Schwarzwald. Herausgabe durch