01217nam 2200337 450 991070454470332120130604094156.0(CKB)5470000002442259(OCoLC)846584296(EXLCZ)99547000000244225920130604d2012 ua 0engurmn|||||||||txtrdacontentcrdamediacrrdacarrierCriteria for issuance and maintenance of special investigation credentials[Arlington, Virginia] :[U.S. Department of Labor, Mine Safety and Health Adminstration],2012.1 online resource (3 pages)Procedure instruction letter ;no. I12-III-02Title from subject line (viewed on May 31, 2013).Format not distributed to depository libraries."Effective Date: 08/22/2012, Expiration Date: 03/31/2014."Mine safetyUnited StatesEmployeesMine safetyEmployees.GPOGPOBOOK9910704544703321Criteria for issuance and maintenance of special investigation credentials3343469UNINA