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Modernization program at Puritan mine in West Virginia clips 2c. off power cost; ups efficiency
Features of improvements in haulage and drainage equipment at mine in Mingo County, WVa.
Modernization program at Puritan mine in West Virginia clips 2c. off power cost; ups efficiency
Features of improvements in haulage and drainage equipment at mine in Mingo County, WVa.
Modernization program at Puritan mine in West Virginia clips 2c. off power cost; ups efficiency
Coal Age
Edwards, J.H. (author)
Coal Age ; 45
1940
Article (Journal)
English
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