Arch Coal Inc. says its first-quarter earnings slumped due to a weak U.S. market for coal used to generate electricity.
Students from Washington University and environmental activists say the mining at Blair Mountain in West Virginia has got to stop.
Some 10,000 coal miners faced down a dug-in army of police and private security guards in a battle that left 16 men dead before the miners surrendered to federal troops.
Arch Coal has submitted a successful bid of just over $300 million for the right to mine more than 200 million tons of coal.
Arch Coal plans to buy rival International Coal Group.