Natural gas well being drilled in preparation for hydraulic fracturing (fracking). Photographed in Williamsport,Pennsylvania,USA | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / West, Jim |
Bildgröße: | 5173 px × 3449 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |