 pumped down these 12,000-foot holes near Colorado, near Denver, and it went down through the upper Paleozoic rocks down into the basement below, which they thought was perfectly safe, out of sight, out of mind. And all of a sudden the quakes began and began to do some damage. And one lone geologist, David Evans, I don't know if he's still alive, spoke up and said, you know, we didn't have these quakes until they started pumping that water down there. I think it's kind of lubricating the faults and increasing the pore pressure and creating earthquakes. And the high scientist