International Society of Explosive Engineers - ISEE
Mine Safety and Health Administration - MSHA
National Institute of Occupational Safety and Health -NIOSH
PA Department of Environmental Protection
PA Department of Environmental Protection - Explosives Division - PA DEP
PA Mine Subsidence Information
West Virginia Office of Explosives and Blasting - WV OEB
Office of Surface Mining (OSM) - Organized by state
Occupational Safety and Health Administration - OSHA

Please send other links to:

Patrick Matkozich - Secretary
359 Northgate Drive
Warrendale, PA 15086
724-934-2900

midatisee@gmail.com