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1. Methods for protection against silicosis and when they are justified.

Creator Personal:
Harrington, D. (Daniel), 1878-
Title:
Methods for protection against silicosis and when they are justified.
Call Number:
P19463
Date:
1938
Description:

Serial issue. Issued as: United States. Bureau of Mines. Information circular, 6989 (1938:Feb.).

Subject Topical:
Silicosis., Industrial hygiene. , Lungs--Dust diseases., Occupational diseases.
All:
Silicosis., Industrial hygiene. , Lungs--Dust diseases., Occupational diseases.