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You searched for: Creator Personal Names Schrenk, H. H. (Helmuth Herman), 1902- Remove constraint Creator Personal Names: Schrenk, H. H. (Helmuth Herman), 1902- All Subjects Coal miners--Diseases. Remove constraint All Subjects: Coal miners--Diseases.
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1. Control of silicosis hazard by substitution of quartz-free or low-quartz material for sand under mine locomotives.

Creator Personal:
Schrenk, H. H. (Helmuth Herman), 1902-, Brown, Carlton E.
Title:
Control of silicosis hazard by substitution of quartz-free or low-quartz material for sand under mine locomotives.
Call Number:
P19475
Date:
1944
Description:

Serial issue. Issued as: United States. Bureau of Mines. Information circular, 7297 (1944:Oct.).

Subject Topical:
Silicosis., Coal miners--Diseases., Lungs--Dust diseases., Dust control.
All:
Silicosis., Coal miners--Diseases., Lungs--Dust diseases., Dust control.