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You searched for: Subject Topical Mine ventilation--Pennsylvania--Graceton. Remove constraint Subject Topical: Mine ventilation--Pennsylvania--Graceton.
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1. A Ventilation study of the Graceton Coal & Coke C. Mine, Graceton, Pa.

Creator Personal:
Currie, R. D., Maize, E. R.
Title:
A Ventilation study of the Graceton Coal & Coke C. Mine, Graceton, Pa.
Call Number:
P20752
Date:
1932
Description:

Serial issue. Issued as: United States. Bureau of Mines. Information circular, I. C. 6614 (1932:May).

Subject Corporate Names:
Graceton Coal and Coke Company.
Subject Topical:
Mine ventilation--Pennsylvania--Graceton., Coal mines and mining--Pennsylvania--Graceton.
All:
Mine ventilation--Pennsylvania--Graceton., Coal mines and mining--Pennsylvania--Graceton., Graceton Coal and Coke Company.