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Afon Gwy - United Kingdom |
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Afon Hafren - United Kingdom |
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Allt a'Mharcaidh - United Kingdom |
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Allt na Coire nan Con - United Kingdom |
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Ammonia in Lake Santo Parmense (1991) |
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Balaton LTSER - Hungary |
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Bälgsjön - Sweden |
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Beagh's Burn - United Kingdom |
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Bencrom River - United Kingdom |
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Birnie Burn - United Kingdom |