news.nationalgeographic.com
Which came first, the feathers or the birds? Feathers first, scientists now say definitively. Yet this feathery revelation doesn’t arise from discoveries of ancient birds, but of birds’ ancestors—dinosaurs.
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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.