00000nz  a2200000n  4500
001  KSH1998033478
005  20021212000000
008  980429 n azknn|abn          |a a|a    | 
150  ▼a탄소질암[炭素質岩]▲
550  ▼wg▼a비쇄설성암[非碎屑性岩]▲
550  ▼wg▼a퇴적암[堆積岩]▲
550  ▼wh▼a역청탄[瀝靑炭]▲
550  ▼a석탄[石炭]▲