Along the road between Tower and Lamar in Yellowstone National Park,Wyoming,are large erratic granite boulders that were carried by glaciers in Precambrian times and then strewn across the valley | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Steinberg, James |
Bildgröße: | 5110 px × 3421 px |
Modell-Rechte: | nicht erforderlich |
Restrictions: |
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