80 years of silt deposits exposed due to earlstoun dam and loch being drained

bed bedrock boulder carsfad channel clatteringshaws dam dee deposit deposited deposits dewatered drained drought earlstoun electric engineering flats flow galloway geography global hydro ken kendoon lake landscape loch low mud muddy natural nature new original outdoor power reservoir restoration river scheme scotland sediment silt station summer tongland tranquil trees warming water waterfall