Natural gas well being drilled in preparation for hydraulic fracturing (fracking). Photographed in Williamsport,Pennsylvania,USA | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / West, Jim |
Taille de l’image : | 5173 px × 3449 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |