· Black Thunder. Loed in the Southern Powder River Basin of Wyoming, the Black Thunder mine transports 30 miles of coal trains every day and became the first mine in the world to reach one billion tonnes of in shipments. In 2017, it produced more than 70 million tonnes of coal – the secondhighest amount in the US, according to the EIA.
Black Thunder Thermal Coal Mine, Wyoming · The dragline fleet includes Ursa Major, the largest of the three, a BucyrusErie (BE) WS model weighing some 6,700t. The thirdlargest dragline ever built; it was assembled onsite over a threeyear period at a cost of 50m. Its 110mlong boom carries a.