2012. National Energy Information Center (U.S.). This point shapefile represents operating surface and underground coal mines in the United States as of 2012 These data originate from the U.S. Ene... National Energy Information Center (U.S.).
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2012. National Energy Information Center (U.S.). This point shapefile represents liquefied natural gas import/export terminals in the United States. The data exclude the import facility in Puerto ... National Energy Information Center (U.S.).