River Kyzyl-Dere valley, Akhtynsky District of Southern Dagestan
Kyzyl-Dere is the largest in the North Caucasus pyritic copper-zinc deposit. The flow of sewage with heavy metals from unpreserved exploration tunnels into Kyzyl-Dere river.
Taken on 12
Submitted on 28 February 2017
Credit: Drozdova Irina (distributed via imaggeo.egu.eu)
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