| http://www.w3.org/ns/prov#value | - Arkansas, Kansas, New Mexico, North Dakota, Ohio and West Virginia were unchanged.The U.S. rig count peaked at 4,530 in 1981 and bottomed at 488 in 1999.<em><strong>Share your news:</strong> Send news of new hires, job changes, promotions, awards, training completed and other news to the Sunday Business Digest by 5 p.m.
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