HIGH PLAINS (USA)
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BTGREAT PLAINS (NORTH AMERICA)
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BTNORTH CENTRAL AND LAKE STATES (USA)
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BTWESTERN STATES + MOUNTAIN STATES (USA)
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UDC(730.8*HIGH-PLAINS)
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Descriptor GERHIGH PLAINS (USA)
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Descriptor ENGHIGH PLAINS (USA)
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Descriptor FREHIGH PLAINS (ÉTATS-UNIS)