 Gould later discovered the Cliffside Dome, near the station Cliffside northwest of Amarillo, a large deposit of helium gas, the 666 dome, the north slope of which is where the Borger Oil Field was located, and named the buried granite ridge in the Panhandle the "Amarillo Mountains".Gould's philosophy, "we always told our clients, the business of prospecting for oil or gas was first, last, and all the time a gamble.No one knows in advance of drilling what will be found at any particular place.