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 | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Clutter, Ted J. |
Bildgröße: | 2628 px × 4253 px |
Modell-Rechte: | nicht erforderlich |
Restrictions: |
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