VICTORY! Keeping 6 Billion Tons of Powder River Basin Coal in the

WELC is working with others toward the goal of Keeping 11 Billion Tons of Powder River Basin Coal in the Ground

Powder River Basin coal industry is in long-term decline

Powder River Basin, Wyoming, USA

Report: Coal's decline hits Powder River Basin mines differently - WyoFile

A Boost For Powder River Basin Coal Comes From An Unexpected Source

The Powder River Basin: A Natural History

Powder River Basin: Coal on the move

Purchase of PRB Coal Mines Puts the Navajo Nation at Risk

Powder River Basin coal production hits 20-year low

History of coal mining in the United States - Wikipedia