Author: James Washington PaulPublisher:
ISBN:
Category : Coal mine accidents
Languages : en
Pages : 46
Book Description
Falls of Roof and Coal in Mines Operating in the Pittsburgh Coal Bed in Marion and Monongalia Counties, W. Va PDF Download
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Author: James Washington PaulPublisher:
ISBN:
Category : Coal mine accidents
Languages : en
Pages : 46
Book Description
Author: James Washington Paul
Author: United States. Bureau of Mines
Author: James W. Paul
Author: James Washington Paul
Author: James Washington Paul
Author: James Washington Paul
Author: Arno Carl Fieldner
Author: J. W. Paul
Author: United States. Bureau of Mines
Author: National Research Project on Reemployment Opportunities and Recent Changes in Industrial Techniques (U.S.)