entity_id,period_id,confidence,rationale,source_id,review_status
ENT_NORR_SVARTALFHEIM,PER_NOR_VIKING,high,"Subterranean realm of the dark-elves/dwarves and their smithies; Gylfaginning sends Loki to Svartálfaheimr for the gods' treasures. Often equated with Niðavellir (Völuspá 37), the 'dark fields' of the dwarves; the equation is scholarly.",SRC_PROSE_EDDA,reviewed