America's geological wonders don't need erupting volcanoes to create breathtaking spectacles that look straight out of a science fiction movie. From towering mushroom-shaped rocks to mysterious moving ...
In what the agency hopes will spur a major leap in American geoscience, the U.S. Geological Survey has released a new mapping tool that allows anyone to peer into the earth beneath their feet. Dubbed ...
Roadside geology of U.S. Interstate 80 between Salt Lake City and San Francisco : the meaning behind the landscape / by W. Kenneth Hamblin ... [et al.] ; sponsored by the American Geological Institute ...
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