NORTHERN AMERICA (USA AND CANADA)
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BTNORTHERN AND MIDDLE AMERICA
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UDC(71+73)
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Descriptor GERNORDAMERIKA (USA + KANADA)
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Descriptor ENGNORTHERN AMERICA (USA AND CANADA)
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Descriptor FREAMÉRIQUE DU NORD (ÉTATS-UNIS ET CANADA)
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Variant GERAMERIKA/NORDAMERIKA
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Variant ENGAMERICA/NORTH AMERICA
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Variant ENGNORTH AMERICA
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NTGREAT PLAINS (NORTH AMERICA)
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NTGREAT LAKES REGION (NORTH AMERICA)
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NTJUAN DE FUCA REGION (NORTH AMERICA)
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NTCANADA (NORTH AMERICA)
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NTNORTHERN NORTH AMERICA
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NTEASTERN NORTH AMERICA
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NTPACIFIC COAST OF NORTH AMERICA
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NTSOUTHEASTERN NORTH AMERICA
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NTUNITED STATES OF AMERICA, USA (NORTH AMERICA)
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RTNEARCTICA (GEOBOTANY)
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RTNEARCTIC REGION (ZOOGEOGRAPHY)