UNPRODUCTIVE LAND (REGIONAL GEOGRAPHY)
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BTREGIONAL GEOGRAPHY
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UDC913(252)
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Descriptor GERUNFRUCHTBARES LAND (REGIONALE GEOGRAFIE)
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Descriptor ENGUNPRODUCTIVE LAND (REGIONAL GEOGRAPHY)
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Descriptor FRETERRES STÉRILES (GÉOGRAPHIE RÉGIONALE)
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Variant FRESTÉRILE/TERRES STÉRILES (GÉOGRAPHIE RÉGIONALE)
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NTDUNES (REGIONAL GEOGRAPHY)
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NTHEATHLAND (REGIONAL GEOGRAPHY)
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NTLAVA-COVERED AREAS (REGIONAL GEOGRAPHY)
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NTESTUARIES + MUDFLATS (REGIONAL GEOGRAPHY)
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NTSANDY DESERTS (REGIONAL GEOGRAPHY)
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NTSTEPPES (REGIONAL GEOGRAPHY)
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NTSWAMPS + MIRES (REGIONAL GEOGRAPHY)