http://pec.lib.wvu.edu/record/P3591946Sleeping giant.Journal article reprint from: <em>Collier's</em>, 1946:Feb. Authored by a former coal miner, who discusses the coal industry's beginnings, research findings in fuel alternatives, and expansion into various national and world markets.Ratcliff, J. D.Coal mines and mining.Coal trade--United States.Fuel.14256