Among these rocks is the candidate drill site, John Klein.

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"Reports that we are drilling or intending to drill on a site adjacent to the Elkhorn Ranch were premature, " he told The Associated Press in a statement on Tuesday.

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In its Fruta del Norte site a drill core showed a rich 32 troy ounces of gold per ton of rock.

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By clicking repeatedly on a particular sphere or square, you can drill down to the exact site you want.

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The Plan C drill -- an enormous oil drilling platform that dominates the rescue site -- had reached 156 meters (512 feet), Sougarret said.

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Sections of a drill which broke through the roof of a rail tunnel came from a construction site above the ground, accident investigators have found.

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Andre Sougarret, mines manager for state-run copper company Codelco and on-site rescue coordinator, said that operation was stopped Tuesday while the drill head was changed.

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Louis, I also joined Secretary Arne Duncan and Missouri Governor Jay Nixon at Carnahan High School of the Future to participate in the Great Central U.S. ShakeOut--the largest-ever, multi-state earthquake drill to be held in the United States, and the first major drill to take place along the New Madrid Seismic Zone, which was the site of one of the worst earthquakes in U.S. history nearly 200 years ago.

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He launched online contests offering cash prizes for whoever could make the best case of where to drill, using GoldCorp's proprietary geological information, which he shared on the company Web site.

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