|Image Name||Width x Height||Size|
|SIA3567.jpg||640 x 441||82K|
|SIA3567.jpg||1200 x 826||275K|
|SIA3567.jpg||3378 x 2323||1M|
The underside of this sandstone ledge contains downward bulges formed as a large animal (probably a brontosaur) walked on soft ground, pushing down and distorting the layers below. These tracks were made more than 150 million years ago.