Indonesia is a country with a lot of coal source, one of the world's coal reserves, with the expected there to 58 billion tons and coal quality. The largest source of coal in Kalimantan. There were more than half of the total coal reserves, followed, Sumatra, Papua and Sulawesi under years 2550 Indonesian coal production of 203 million tons. Thinking is only 0.3 percent of coal reserves. 70% was produced for export.
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