Published January 03, 2013, 12:42 PM
North Dakota state geologist expects diamond exploration
BISMARCK, N.D. (AP) — Hundreds of miles from the frenzied drilling in North Dakota's oil patch, an international mining company quietly sunk a hole in a bean field near St. Thomas in search of other riches buried below the prairie: diamonds.By: JAMES MacPHERSON,Associated Press, Associated Press
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