Hill End To Spaniard Rocks 168 – Possible periphyton (an indicator of water enrichment) on submerged rocks in a stream called Diles lake at Rhossili on the Gower peninsula, South Wales, 7th April 2017.
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Hill End To Spaniard Rocks 168 – Possible periphyton (an indicator of water enrichment) on submerged rocks in a stream called Diles lake at Rhossili on the Gower peninsula, South Wales, 7th April 2017.