Underground coal mining accident in China

China: 10 killed, six missing after coal mine accident in Henan province – India TV

PDF) Research on Cause of Dynamic Disaster of Deep Mining Control

18 Chinese miners killed in underground gas leak

Research on Cause of Dynamic Disaster of Deep Mining Control in

China: Coal mine accident kills 16 workers - Business & Human Rights Resource Centre

Unsafe practices blamed in deadly China mine blast - The San Diego Union-Tribune

Underground coal mining accident in China

China: 21 killed in coal mine accident in Shaanxi Province

11 killed in accident at northeast China coal mine: CCTV - VnExpress International

21 workers killed after roof collapse at a coal mine in China

Chinese coal mine collapse leaves 19 dead