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Image Name | Width x Height | Size |
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SIA3571.jpg | 640 x 439 | 73K |
SIA3571.jpg | 1200 x 822 | 238K |
SIA3571.jpg | 3411 x 2334 | 1M |
Caption
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.