Mexico's coal miners risk their lives to earn a living, Mining

Miners know the risks of working dozens of metres below ground but still work to extract coal to support their families.

The British Newspaper Archive Blog Occupations: 19th century coal miners

Mexico approves mining reforms to protect environment, Indigenous people

Coal mining in the United States - Wikipedia

Deep underground, Mexican miners remember those who never came back

PHOTOS: South Africa's zama-zamas risk their lives in deserted diamond mines : Goats and Soda : NPR

The dirty practices of a Zug-based mining group in Borneo

Deep underground, Mexican miners remember those who never came back

India's Government to put 26 coal mines up for auction - Mining Technology

Mexico's president revived dangerous form of coal mining