Outdoors
OUTDOORS Geophysical Institute, University of Alaska Fairba A few days ago, Steve Hasiotis found a crayfish burrow in Denali National Park and Preserve. The discovery was somewhat unusual, because the nearest living crayfish is now jackknifing through a stream in southern Ontario.

A crayfish lived in Denali Park 70 million years ago

 Dinosaur researcher Tony Fiorillo packs out a cast of a hadrosaur footprint in Denali National Park and Preserve, a hotspot for dinosaur research.
Photo By Yoshi Kobayashi
Dinosaur researcher Tony Fiorillo packs out a cast of a hadrosaur footprint in Denali National Park and Preserve, a hotspot for dinosaur research.
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