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Lower River Clyde - United Kingdom |
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LTSER Zone Atelier Pyrénées-Garonne - France |
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Nant Teyrn - United Kingdom |
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Narrator Brook - United Kingdom |
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National Park Hunsrück-Hochwald - Germany |
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Nitrate in Lake Santo Parmense (1991) |
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Old Lodge - United Kingdom |
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Owenkillew River - United Kingdom |
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Parque Natural del Montseny - Spain |
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Piburger See - Austria |