Wikimedi'Òc

K-T boundary TLSP.jpg - TomCatX

Trinlake2.JPG - File Upload Bot (Magnus Manske)

Trinlake2a.jpg - Innotata

K–Pg boundary in Colorado.JPG - Jeffrey Beall

Cretaceous–Paleogene boundary in Colorado 1.JPG - Jeffrey Beall

Cretaceous–Paleogene boundary in Colorado 2.JPG - Jeffrey Beall

Cretaceous–Paleogene boundary in Colorado 3.JPG - Jeffrey Beall

Cretaceous–Paleogene boundary in Colorado 4.JPG - Jeffrey Beall

Santa Fe Trail - Admiring the Iridium - NARA - 7721566.jpg - US National Archives bot