Wow! Give them a bit of time and hopefully they may become really effective at preventing future pollution by mines. Next job - clear the dead waterways somehow.

    I wonder what else that water brings from mines, there are natural radioactive materials that buried in earth and heavy metals. I wonder if proper analyses XRF/XRD/ICP and what not was done to protect end user if those are present in the current geological location and brought upstairs. Idea is good, just wonder where that iron is coming from - is it metal that was left behind after mines was closed or if it is just rock gets dissolved by rain water and it is now an iron oxide mine instead of coal. I really would like to know more.

    9 days later
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