Washington DC: National Academy of Sciences, 1976.
Hardcover. Good+ with no dust jacket. Item #7932
Library stamps/marks/labels/sip, sunned, light cock, otherwise light wear. Solid hardcover.; "This report focuses on the discrepancy between CWP [coal miners' pneumoconiosis], a distinctive medial entity, and BLD [black lung disease], a legal entity that embraces a non-specific set of chronic respiratory symptoms and diseases." ; Mineral Resources and the Environment: Supplementary Report; Ex-Library; ix, 149 pages.