The biggest coal mine in the US is the North Antelope Rochelle Coal Mine in Wyoming.
In 2021 the coal mine produced around 76.51 million metric tons of coal per year and is located in Wyoming's Powder River basin and is owned by Peabody Energy Corp.
The North Antelope Rochelle Coal Mine is a surface mine which uses trucks, shovels and draglines to remove overburden and the coal is then transported by trucks and trains for shipment.
The worst coal mining disaster in US history was the Monongah Mine Disaster in West Virginia.
The Monongah Mine Disaster in West Virginia occurred on December 6th 1907 and happened in Monongah, West Virginia at the Fairmont Coal Company's Number 6 and Number 8 mines.
The cause of the Monongah Mine Disaster in West Virginia was an explosion that destroyed the mine and the surface and blocked entrances and caused cave ins and released deadly gases.
The official death toll from the Monongah Mine Disaster in West Virginia was 362 but it's estimated that closer to 500 people died.
On April 26, 1942, in the Benxihu (Honkeiko) coal mine in Liaoning Province, China, what is believed to be the worst mining disaster in history occurred when a coal dust explosion killed over 1,500 people.
The mention of 59 died to save 1 in a mine disaster, is actually based on a real life mining disaster at the Jokerville Mine, in Crested Butte, Colorado.
The disaster occurred on January 24, 1884.
On April 26, 1942 A coal-dust explosion at Benxihu Colliery in Japanese occupied China killed 1,549 making it the worst disaster in the history of coal mining superseding the 1,099 death toll of the Courrières mine disaster in 1906 and the second worst recorded energy accident, in terms of lives lost on a single day.