What Happened in the Seconds, Hours, Weeks After the Dino-Killing Asteroid Hit Earth?
smithsonianmag.com
No one could have seen the catastrophe coming. Dinosaurs stalked each other and munched on lush greens as they had for over 170 million years.
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LEARN MORE ABOUT THE UTAH GEOLOGICAL SURVEY
The Utah Geological Survey (UGS) is a division of the Utah Department of Natural Resources. Several specialized programs comprise the UGS: Data Management, Energy & Minerals, Geologic Hazards, Geologic Information & Outreach, Geologic Mapping, Groundwater & Wetlands, and Paleontology.