Controlling Respirable Dust on Longwall Mining Operations View Larger Image To download the PDF, Controlling Respirable Dust on Longwall Mining Operations, click here. Thanks for the share, PMJ! Heidi2020-03-04T09:35:42-05:00March 4th, 2020|Cornett's Corner, Safety News| Share This Story, Choose Your Platform! FacebookXLinkedInPinterestEmail