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Meercat ✅ | 1 years ago (raw) | root | parent | reply | flag 
 @0e1a2ef0 What gives the amber colour? Is the rock of that beautiful colour?
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John Altringham | 1 years ago (raw) | root | parent | reply | flag 
 @b5c89c96 Dissolved organic material from the peaty soils higher up the valley. The rock is limestone and slates - predominantly grey and white.