This edition of RockTalk explores coal mining, geology, resources, reclamation, and subsidence. Digital PDF download. RT-08-02D
From the Introduction:
Colorado Coal: energy security for the future
Coal is an abundant and affordable fossil fuel. Our civilization depends on coal and its future importance is underscored by the fact that it is far more abundant in the United States than oil or natural gas. Without coal our very specialized world would not run so efficiently. It is used to generate electricity, to make steel, coal gas, fertilizers, chemicals, and even to make hydrogen for fuel cells.