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Mining Coal Ini Kalteng

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May 09, 2014nbsp018332indonesian coal mining map head. indonesian coal mining boom is leaving trail of destruction yale 17 dec 2015 in south kalimantan province, a 2014 greenpeace study of surface and wastewater samples collected in coal mining areas reported levels of iron and manganese in creeks and rivers that were consistently above indonesias legal limit, and noted that 7 of 29

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