[Trace elements content of mine waters].
D003032:Coal Mining; D014131:Trace Elements / Q000032:analysis*; D014586:USSR; D014873:Water Pollutants / Q000032:analysis*; D014874:Water Pollutants, Chemical / Q000032:analysis*
D014131:Trace Elements; D014873:Water Pollutants; D014874:Water Pollutants, Chemical
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