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Lower CarboniferousRed SandstoneFossil PlantsFeeding MechanismMagnetic ForceGeneral MorphologyMagnetic DeclinationLake SurveyMagnetic DipFossil FloraVascular SystemPharmacological ActionFossil FishesGeological SurveyANATOMYGenus PrimulaMechanical ActionNew MineralMagnetic IntensitySolar Spectrum
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