Mina de Barroterán coal mine disaster

Mina de Barroterán coal mine disaster was the second worst disaster in Mexico's coal mining history. The disaster occurred on March 31, 1969, and 153 miners were killed. During the 19th, 20th and 21st centuries, nearly 900 miners died in explosions or floodings accidents related with the operation of coal mining in the state of Coahuila.