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Control of silicosis hazard by substitution of quartz-free or low-quartz material for sand under mine locomotives
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Published Year
1940-1949 (1) *
Subject
Coal miners--Diseases (1)
Dust control (1)
Lungs--Dust diseases (1)
Silicosis (1) *
Author
Brown, Carlton E. (1)
Schrenk, H. H. (1)
