MORGANTOWN, W.Va. (WBOY) — Through July 25, all coal miners—whether they're surface, underground or contractor as well as former or active—can get free, confidential black lung screenings through a mobile unit set up in Morgantown by the National Institute for Occupational Safety and Health (NIOSH). "It's important for coal miners to get health screenings, so that way they know their particular health status," Public Health Advisor and Field Out…