Close-up of the chalk that makes up Monument Rocks National Natural Landmark near Oakley,Kansas. These chalk layers were deposited in the Western Interior Seaway over 80 million years ago | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Highfill, Kenneth M. |
Taille de l’image : | 4950 px × 3300 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : |
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