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Threatened Utah Dinosaur Track Find Shows Dino Posterior

There's a number of google news hits for this, see


for what that looks like; the Salt Lake Tribune has a different writeup
(no pictures tho):


About 200 million years ago, along the shores of a lake in southern Utah,
a 20-foot-long dinosaur sat down, perhaps to savor a fish dinner or maybe
dry off from a swim.

The meat-eating beast appears to have stood up, staggered forward, sat
back down and finally gotten up to walk away. Utah paleontologists last
Wednesday uncovered rare impressions from this dinosaur activity in St.
George, near a collection of sandstone dinosaur tracks.

Despite the potential importance of the impressions, they are already
destined for destruction. To build a structure to protect the nearby
dinosaur tracks, backhoes would trample the delicate new find in a few
weeks, said Andrew Milner, St. George's city paleontologist.

"We're pressed for time," he said. "It's a little bit disappointing."

James Kirkland, the state paleontologist, said the impressions were
only found now because scientists were investigating the area around the
building, which will become a dinosaur museum.

"We're working really hard to document this thing up and down,
backward and forward," Kirkland said. Paleontologists hope to remove the
impressions intact, but some prints may be destroyed in the process,
Milner said. Researchers have photographed and traced over the area and
will create a latex impression of it, Milner said.

Kirkland said paleontologists can only speculate on what the 1,000-pound
dinosaur was doing when it left the marks. But considering the fact that
Utah was a vast desert in the Jurassic era, when the prints were made, the
100-mile-wide body of water was likely an oasis. Milner said the
freshwater lake supported many species of fish, which could have served as
dinosaur food.

While the tracks do not reveal exactly what kind of dinosaur left them, it
was likely related to dilophosaurus remains found in the area. [...]

Martin Lockley, a geologist at the University of Colorado at Denver, saw
the impressions last week and called them a significant find.
"Traces of squatting dinosaurs are very rare," Lockley said.
Information gleaned from these traces could offer new insights into
dinosaur behavior.
Milner said paleontologists have discovered few dinosaur hand prints
like the ones in St. George.

"You can see the claws touching down and everything," he said.