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How many giant eruptions have occurred in the Yellowstone National Park region and how large were they?
Will the oil in the Bakken Formation free us from depending on foreign oil?
Will California eventually fall into the ocean?
What is fracking?
Where does the USGS monitor stream water quality in real time? How can I see these sites on a map and get to the data?
What causes drought?
Do iceworms exist?
Learn about uranium decay
Is there water under the ground?
Are US Topo products available for Alaska?
USGS Spotlight Questions