01686oam 2200493Ia 450 991070140170332120120308130624.0(CKB)5470000002419066(OCoLC)759601588(EXLCZ)99547000000241906620111104d2011 ua 0engur|||||||||||txtrdacontentcrdamediacrrdacarrierField-expedient shotcrete adhesion test system[electronic resource][Pittsburgh, PA] :Dept. of Health and Human Services, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health,[2011]1 online resource (2 unnumbered pages) color illustrationsTechnology news ;no. 540DHHS (NIOSH) publication ;no. 2011-185Title from PDF caption (viewed Mar. 8, 2012)."June 2011."Field expedient shotcrete adhesion test systemShotcreteTestingMine roof controlGround control (Mining)Mine safetyMine safetyTestingAdhesionTestingShotcreteTesting.Mine roof control.Ground control (Mining)Mine safety.Mine safetyTesting.AdhesionTesting.National Institute for Occupational Safety and Health.HNCHNCGPOBOOK9910701401703321Field-expedient shotcrete adhesion test system3123613UNINA