Related Books

Some Information on Timbering Bituminous-coal Mines
Language: en
Pages: 932

Some Information on Timbering Bituminous-coal Mines

Authors: John Joseph Vincent Forbes
Categories: Mine timbering
Type: BOOK - Published: 1939 - Publisher:

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Some Information on Timbering Bituminous-coal Mines, by J. J. Forbes and C. W. Owings
Language: en
Pages: 37

Some Information on Timbering Bituminous-coal Mines, by J. J. Forbes and C. W. Owings

Authors: J. J. Forbes
Categories:
Type: BOOK - Published: 1939 - Publisher:

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Some Information on Timbering Bituminous-coal Mines
Language: en
Pages: 46

Some Information on Timbering Bituminous-coal Mines

Authors: John Joseph Vincent Forbes
Categories: Mine timbering
Type: BOOK - Published: 1939 - Publisher:

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Questions and Answers on Timbering Bituminous Coal Mines
Language: en
Pages: 36

Questions and Answers on Timbering Bituminous Coal Mines

Authors: James Washington Paul
Categories: Bituminous coal mines and mining
Type: BOOK - Published: 1928 - Publisher:

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On use of lumber to support mine roof.
A Look at the Mine-timber Market in the Appalachian Bituminous Coal Region
Language: en
Pages: 16

A Look at the Mine-timber Market in the Appalachian Bituminous Coal Region

Authors: Robert G. Knutson
Categories: Mine timbering
Type: BOOK - Published: 1970 - Publisher:

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"Do coal mine operators use many mine timbers? What are the specifications for mine timbers? Does producing mine timbers differ from producing other sawmill pro