SANDS (MINERAL DEPOSITS)
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BTSAND + GRAVEL + PEBBLES + NATURAL SAND-GRAVEL MIXTURE (MINERAL DEPOSITS)
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UDC553.623
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Descriptor GERSAND (LAGERSTÄTTEN)
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Descriptor ENGSANDS (MINERAL DEPOSITS)
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Descriptor FRESABLE GISEMENTS
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Variant FREGISEMENTS/SABLE
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RTSAND + GRAVEL + PEBBLES + NATURAL SAND-GRAVEL MIXTURE (MINERAL DEPOSITS)