In Texas, where Prof. John Mantley had had the same baffling experience with PyrE, most of the residues had gone down the shaft of an exhausted oil well which was also used to accommodate radioactive wastes. A deep water table had absorbed much of the matter and spread it slowly over an area of some ten square miles. Ten square miles of Texas flats shook themselves into corduroy. A vast untapped deposit of natural gas at last found a vent and came shrieking up to the surface where sparks from flying stones ignited it into a roaring torch, two hundred feet high.