1. Black Lung benefits program: continued inaction on coal operator self-insurance increases financial risk to trust fund : testimony before the Committee on Education and Labor, Subcommittee on Workforce Protections, House of Representatives Publication: Washington, DC : United States Government Accountability Office, December 2, 2021 Subject(s): Anthracosis -- economicsGovernment RegulationInsurance, Health -- legislation & jurisprudenceUnited States