Unit Corp

March 31, 2012 - Form 10-Q

XBRL Item - EX - 101.INS - XBRL Instance Document

XBRL Item - EX - 101.SCH - XBRLTaxonomy Extension Schema Document

XBRL Item - EX - 101.CAL - XBRLTaxonomy Extension Calculation Linkbase Document

XBRL Item - EX - 101.DEF - XBRLTaxonomy Extension Definition Linkbase Document

XBRL Item - EX - 101.LAB - XBRLTaxonomy Extension Label Linkbase Document

XBRL Item - EX - 101.PRE - XBRLTaxonomy Extension Presentation Linkbase Document


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