Pneumoconiosis in diatomite mining and processing [by] W. Clark Cooper [and] Lewis J. Cralley with the assistance of W.H. Clark [and others]  Prepared under direction of W.M. Gafafer.
Contributors: Cralley, Lewis J., 1911-
Publisher: U.S.  Dept. of Health, Education, and Welfare, Public Health Service, Bureau of State Services, Division of Special Health Services, Occupational Health Program
Published: 1958
Place of publication: [Washington]
Language: eng
Number of pages: 96
Subjects: Diatomaceous earth; Lungs -- Dust diseases; Mineral industries
Other titles: Diatomite mining and processing