FORESTRY ROADS + FOREST TRAILS (ROAD CONSTRUCTION)
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BTMINOR ROADS + OFF-ROAD TRACKS (ROAD ENGINEERING)
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UDC625.711.84
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Descriptor GERFORSTSTRASSEN + WALDWEGE (STRASSENBAU)
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Descriptor ENGFORESTRY ROADS + FOREST TRAILS (ROAD CONSTRUCTION)
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Descriptor FREROUTES FORESTIÈRES (CONSTRUCTION ROUTIÈRE)
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Variant GERWALDSTRASSEN (STRASSENBAU)
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Variant GERWALDWEGE (STRASSENBAU)
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Variant GERSTRASSEN/FORSTSTRASSEN (STRASSENBAU)
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Variant GERWEGE/WALDWEGE (STRASSENBAU)
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Variant ENGFOREST TRAILS (ROAD CONSTRUCTION)
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Variant ENGROADS/FORESTRY ROADS (ROAD CONSTRUCTION)
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Variant ENGTRAILS/FOREST TRAILS (ROAD CONSTRUCTION)
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Variant FRECHEMINS FORESTIERS (CONSTRUCTION ROUTIÈRE)
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Variant FREFORESTIERS/ROUTES ET CHEMINS FORESTIERS (CONSTRUCTION ROUTIÈRE)
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RTFOREST ENGINEERING