Iron oxide mine pollution, River Pelenna, Cwm Gwenffrwd, Tonmawr, Mid Glamorgan, Wales, Uk, Europe

chemically chemical chemicals discharged discharges discharge environment environmental issues environmental iron oxide iron mid glamorgan metal metallic metals no one no people no person no body no one nobody outdoors outside pelenna river pollutant pollutants polluted pollutes pollution portrait river pelenna river rivers the environment vertical waste water s042