Aerial photograph of salt piles at the Detroit Salt Company's underground salt mine. This mine produces rock salt from 160 kilometres of underground passages spread over 6 square kilometres. Photographed in Detroit, Michigan, USA. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / West, Jim |
Bildgröße: | 3780 px × 2518 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |