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Hidden Beneath America for 400 Million Years—This Vast Natural Gas Reserve Could Power the Nation for Centuries
Beneath the rolling hills of the Appalachian Basin, an ancient rock formation holds what some are calling America’s greatest ...
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The 70-Ft-Tall ‘Chalk Pyramids’ in Kansas Are also an Ancient Graveyard for “Sea Dinosaurs”
Shutterstock The Mysterious Giants of the Kansas Plains Monument Rocks is one of the most interesting natural formations in ...