https://www.prnewswire.com/news-releases/patriot-coal-enters-into-agreement-to-sell-certain-assets-to-virginia-conservation-legacy-fund-300129236.html
/PRNewswire/ -- Patriot Coal Corporation ("Patriot" or "the Company") (OTC Pink: PATCA), a producer and marketer of coal in the eastern United States, today...
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https://www.sphengineering.com/news/patriot-environmental-improved-safety-and-data-quality-in-coal-mine-reclamation-surveys-with-a-uav-based-echo-sounder
Patriot Environmental employed SPH Engineering's drone-based echo sounder solution, which resulted in enhanced safety, reduced manual labor, and...
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