What industries or government departments hire volcanologists and igneous petrologists/geochemists in the United States?
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$\begingroup$ Do you have a specific country in mind? $\endgroup$ – Gimelist May 21 '18 at 5:50
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$\begingroup$ I'm sorry, I should have added that I'm in the US. $\endgroup$ – Steven May 21 '18 at 6:09
