서울 지하철 3호선 공사현장 붕괴
1982년 4월 8일
: 1982년 4월 8일 오후 6시 경
: 서울 3호선 318공구, 무악재 내리막길에서 지하굴착 발파작업 부주의로 붕괴
: 사망 4명, 부상 6명
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