Diabase schist rock outcroppings form the ''River Hills'' along the lower Susquehanna river in Pennsylvania | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Gadomski, Michael P. |
Taille de l’image : | 4319 px × 3114 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : |
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