"The Bureau of Mines and the Alabama. Power Co., jointly, conducted the first experiment undertaken in the United States in ,underground gasification of, coal in place, at Gorgas,,. Ala. Milton H. Fies, manager of coal operations, Alabama Power Co., proposed the cooperative investigation to Arno C. Fieldner, chief, Fuels and Explosives Branch, Bureau of Mines, and assisted in supervising the experiment. The objectives of the experiment, were to determine whether coal in place could be burned successfully and whether the burning could be controlled; the effect of the fire on the coal bed and the overlying strata; and the yield and quality of gas that could be obtained."