The <nis:link nis:type=tag nis:id=coal nis:value=coal nis:enabled=true nis:link/> mines that are providing tap water to 100s of villages | <nis:link nis:type=tag nis:id=iwitness nis:value=IWitness nis:enabled=true nis:link/> A study found that 437 <nis:link nis:type=tag nis:id=mine nis:value=mine nis:enabled=true nis:link/> voids across