The vertical gates of the McNary Dam's spillway are opened by remote control from the powerhouse to release water for maintaining downstream flows and regulate upstream water levels. Columbia River Gorge,Washington Oregon | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Steinberg, James |
Bildgröße: | 5073 px × 3448 px |
Modell-Rechte: | nicht erforderlich |
Restrictions: |
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