Wikimedi'Òc

Chelichnus duncani.jpg - Smokeybjb

2815 Grand Canyon Fossil Tracks in Coconino Sandstone (4749589450).jpg - Killarnee

2915 Grand Canyon Fossil Tracks in Coconino Sandstone (4749590738).jpg - Killarnee

2915 Grand Canyon Fossil Tracks in Coconino Sandstone (4749592318).jpg - Killarnee

Chelichnus-gigas.jpg - Csadler1

Grand Canyon National Park Hermit Trail Fossil Footprints 3656 (7464104538).jpg - Killarnee

Coconino Sandstone with footprints.jpg - Mav

Grand Canyon National Park Hermit Trail Fossil Footprints 3665 (7464100790).jpg - Killarnee

Grand Canyon National Park Hermit Trail Fossil Exhibit 3655 (7464096640).jpg - Killarnee

01446 Grand Canyon Historic Hermit Trail (7421681284).jpg - Killarnee