Dinosauropodes Bransfordii Lull Late Cretaceous Spring Canyon, Utah This natural dinosaur footprint cast was collected from the Price River Mine near Spring Canyon, Utah. Dinosaur footprints from this mine occur as protrusions hanging down from the roof of the mine and must be chiseled from the roof rock matrix. This track was made by a dinosaur that walked in the peat on the surface of a swamp, which subsequently filled with mud, silt or sand during the flooding of a local river, forming a natural cast. Measures 36in x 21in
Dinosauropodes Bransfordii Lull Late Cretaceous Spring Canyon, Utah This natural dinosaur footprint cast was collected from the Price River Mine near Spring Canyon, Utah. Dinosaur footprints from this mine occur as protrusions hanging down from the roof of the mine and must be chiseled from the roof rock matrix. This track was made by a dinosaur that walked in the peat on the surface of a swamp, which subsequently filled with mud, silt or sand during the flooding of a local river, forming a natural cast. Measures 36in x 21in
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.jpg "Quelle: Christie's")
.jpg "Quelle: Christie's")
