NCPA (Northern California Power Agency) geothermal drill rig at the geysers in northern California,with worker moving casing pipe into position for insertion into the well bore | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Clutter, Ted J. |
Taille de l’image : | 2628 px × 4253 px |
Model Release : | Non requis |
Restrictions : |
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