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You searched for: Subject Topical Coal mines and mining--Safety measures. Remove constraint Subject Topical: Coal mines and mining--Safety measures. Subject Topical Mine explosions--Prevention. Remove constraint Subject Topical: Mine explosions--Prevention.
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1. Effective rock-dusting of coal mines.

Creator Personal:
Rice, George S. (George Samuel), 1866-1950.
Title:
Effective rock-dusting of coal mines.
Call Number:
P20755
Date:
1927
Description:

Serial issue. Issued as: United States. Bureau of Mines. Information circular, circular no. 6039 (1927:June).

Subject Topical:
Coal dust., Coal mines and mining--Safety measures., Mine explosions--Safety measures., Mine explosions--Prevention.
All:
Coal dust., Coal mines and mining--Safety measures., Mine explosions--Safety measures., Mine explosions--Prevention.