North Hush west of Gunnerside Beck, North Yorkshire. In these places lead mining was performed by letting great amounts of water rush down the hills to remove the top soil and give access to the ore.
<a href="//commons.wikimedia.org/wiki/User:Kreuzschnabel" title="User:Kreuzschnabel">Kreuzschnabel</a>
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<span class="int-own-work" lang="en">Own work</span>