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2Chʻŏnyŏn poho kuyŏk Sŏraksan = Natural conservatory area Sul Ak San : Chʻŏnyŏn kinyŏmmul che 171-ho = Natural monument no. 171 : Sŏraksan haksul chosa pogosŏ = Report of the academ...天然保護區域雪嶽山 = Natural conservation area Sul Ak San : 天然記念物第171號 = Natural monument no.171 : 雪嶽山學術調查報告書 = Report of the academic survey of Mt. Sul AkPublished 1967
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