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.
TagebauZukunft. Tagebau Zukunft Rheinisches Braunkohlerevier West Arno Kleinebeckel Unternehmen Braunkohle Geschichte eines Rohstoffs eines Reviers einer Industrie im Rheinland Greven Kln ISBN PDold in Germany in mining Tagebau Zukunft
Page 2023 Free-images.com. All images are Public Domain