2015
SN7278 : Filter beds by the Afon Rheidol
taken 9 years ago, near to Ystumtuen, Ceredigion/Sir Ceredigion, Wales
Filter beds by the Afon Rheidol
A little difficult to see through the fresh leaves are the filter beds
Link on the opposite side of the Afon Rheidol. The river itself can just be seen at the bottom. The dark structure above it is the retaining wall of the filter beds, and the yellow material is their content. Water running off the spoil from Cwm Rheidol mine
Link which was left on the hillside is collected here and left for its heavy metal content to precipitate when the pH becomes less acidic.
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Geograph
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