Smith, Barbara Ellen, 1951- Digging our own graves : coal miners and the struggle over black lung disease / [electronic resource] Barbara Ellen Smith. - 1 online resource (261 pages) Includes index. ISBN: 9781642593938 (e-book) Subjects--Topical Terms: Lungs--Dust diseases--Social aspects. Index Terms--Genre/Form: Electronic books. LC Class. No.: RC773 / .S658 2020 Dewey Class. No.: 363.1196223340973