Outdoors
OUTDOORS Geophysical Institute, University of Alaska Fairba While hiking a hillside in Denali National Park last July, Steve Hasiotis bent down and picked up a rock. Its curious shape, like a plaster cast of a giant bird track, made him ponder the rock for a second before handing it to Tony Fiorillo. Fiorillo looked at it and confirmed they had found a missing piece of Alaska during the time of the dinosaurs.

Scientists discover track of soaring prehistoric creature

A pterosaur, like the one that left a track in Denali National Park, glides through the air about 70 million years ago. This image is cropped from a larger illustration by Karen Carr. You can see more of Carr's work at <a href=www.karencarr.com." align="" HSPACE="6" VSPACE="6" BORDER="1">
A pterosaur, like the one that left a track in Denali National Park, glides through the air about 70 million years ago. This image is cropped from a larger illustration by Karen Carr. You can see more of Carr's work at www.karencarr.com.
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