MSHA Parts 46 and 48 Reference Guide View Larger Image To download the MSHA Parts 46 and 48 Reference Guide, click here. Thanks for the share, PMJ! Heidi2020-11-27T14:52:27-05:00November 27th, 2020|Cornett's Corner, Safety News| Share This Story, Choose Your Platform! FacebookTwitterLinkedInPinterestEmail