SPRINGS (POLLUTION AND PROTECTION OF WATERS)
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BTGROUNDWATER (POLLUTION AND PROTECTION OF WATERS)
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UDC504.436
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Descriptor GERQUELLEN (GEWÄSSERVERUNREINIGUNG UND -SCHUTZ)
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Descriptor ENGSPRINGS (POLLUTION AND PROTECTION OF WATERS)
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Descriptor FRESOURCES (POLLUTION ET PROTECTION DES EAUX)
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NTMINERAL SPRINGS, THERMAL SPRINGS, SPAS (POLLUTION AND PROTECTION OF WATERS)
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RTSPRINGS (HYDROLOGY)