USGS Multimedia Gallery
Geochemistry
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The Effects of Human Activity versus Natural Processes on U.S. Soil
Suzanne Nicholson, USGS, collecting soil at one of the sites in New Jersey, on the coast of the Atlantic Ocean just south of Atlantic City. The USGS is completing a low-density soil geochemical and mineralogical survey for the conterminous U.S., which is needed as baseline data for environmental inv... 
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U.S. Department of the Interior |
U.S. Geological Survey
URL: http://www.usgs.gov/tags/default.asp?tag=Geochemistrylistas=listp=_CurPage=1
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Page Last Modified: Wednesday, January 09, 2013
