U.S. Geological Survey
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Why Is Lyme Disease More Prevalent In Northern United States?
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US Wildlife Officials Team Up To Save Populations Of Salamanders
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White House Announces Tech Advances To Increase US Resilience To Earthquakes
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Feds Conducting Study On Drought in Six States
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High Levels Of Mercury Detected In Grand Canyon Wildlife
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High Toxin Levels And Algal Blooms Found In Klamath Waterways
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Heading North: Polar Bears Are Saving Themselves Because Humans Can't
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Central California experiences more than 500 weak earthquakes. Should you worry?
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Prepare for cluster of strong earthquakes in Bay Area, experts warn
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Remembering the 1980 eruption of Mount St. Helens
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Mount St. Helens builds up magma, no imminent eruption: USGS
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