Die Bobtail-Mühle in Black Hawk, Colo.
Picryl description: Public domain image related to an industrial revolution, industry history, factory building, free to use, no copyright restrictions image.
In der "Bobtail" -Mine, Black Hawk Canyon, Colorado, USA
Picryl description: Public domain image of a coal mine, mining, free to use, no copyright restrictions.
In der "Bobtail" -Mine, Black Hawk Canyon, Colorado, USA
Picryl description: Public domain image of a coal mine, mining, free to use, no copyright restrictions.
Die Bobtail-Mühle in Black Hawk, Colo.
Public domain scan of a print - round portrait, medal, medallion, free to use, no copyright restrictions - Picryl description.
Die Bobtail-Mühle in Black Hawk, Colo.
Public domain scan of a print - round portrait, medal, medallion, free to use, no copyright restrictions - Picryl description.
Die Bobtail-Mühle in Black Hawk, Colo.
Picryl description: Public domain image related to an industrial revolution, industry history, factory building, free to use, no copyright restrictions image.