Image: Walter Alvarez and Alessandro Montanari at K Pg (KT) Boundary at Bottaccione Gorge near Gubbio Italy
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Description: Geologist Walter Alvarez with his wife Milly Alvarez and then graduate student Alessandro Montanari (right) and his wife Paula Metallo (left) at the original site where Walter Alvarez discovered the evidence for the dinosaur extinction. The site is at the K/Pg (KT) boundary in the Bottaccione Gorge near Gubbio Italy.
Author: Orangeboxes2
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License: CC-BY-SA-3.0
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_Boundary_at_Bottaccione_Gorge_near_Gubbio_Italy.jpg){kind=link}