Alan Williams / Lake Cwmorthin looking south west showing spoil heaps and ruined cottages of the disused slate mine with pieces of slate covering the bed of the lake in the foreground near Blaenau Ffestiniog, North W...
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Alan Williams / Looking east across Lake Cwmorthin showing the remains and spoil from the disused slate mine with Cnicht mountain covered in mist in the background, North Wales, UK, April 2018
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David Woodfall / Hawthorn (Crataegus monogyna) growing on former colliery mining spoil, Dare Valley Country Park, Rhondda Cynon Taf, Wales, UK, May.
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Ashley Cooper / China Clay workings, near St Austell, in Cornwall, England, UK, April.
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Ashley Cooper / The Glentaggart open cast coal mine in Lanarkshire, Scotland, UK. August 2009.
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Ashley Cooper / The Glentaggart open cast coal mine in Lanarkshire, Scotland, UK. August 2009.
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Ashley Cooper / The Glentaggart open cast coal mine in Lanarkshire, Scotland, UK. August 2009.
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Alex Hyde / Leadwort (Minuartia verna) growing on spoil heap next to lead mine. Peak District National Park, Derbyshire, UK. June.
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Alex Hyde / Leadwort (Minuartia verna) growing on spoil heap next to lead mine. Peak District National Park, Derbyshire, UK, May.
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Alex Hyde / Leadwort (Minuartia verna) growing on spoil heap next to lead mine. Magpie Mine, Peak District National Park, Derbyshire, UK, May.
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Chris Mattison / Mountain pansies (Viola lutea) growing on spoil heap near an old lead mine (Magpie Mine) Derbyshire, England, UK, May.
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Andy Sands / Hunting Wasp (Ectemnius cavifrons) spoil heap of sawdust left after excavation of nesting tunnel in rotten log. Hertfordshire, England, UK, July.
