There were wiggle stick men. There were these water well locaters that did it. Dr. Griffith of Houston had a contrivance that nobody else could work but he could. He had little lugs that looked like the size of a silver pencil and it had a plate that would fit the palate, the roof of his mouth. And from each side of the -- this plate that protruded from the mouth -- were coiled, highly coiled, springs of six or eight inches long, on the end of which had little silver looking plates that he could take between his forefinger and thumb of each hand. Then out of the bottom of this plate came his mouth. He would screw, thread screw, one of these little lugs marked silver, or gold or iron, or oil, or gas, or sulphur, and then he would walk. This would be pointing vertically, and sometimes he would start and tremble and you'd see this lug draw down toward the ground. There he'd make a mark. And then he would go at right angles to what he said would find where sands crossed one another. His idea of an oil field was a gridiron, sands going east and west and sands going north and south. His instrument impressed a lumberman named Mr. Burt, R. E. Burt, who gave him a half interest in many of his properties, the oil interests. He was a lumberman. And while the production was brought in,