Methods of Rock-dusting American Coal Mines PDF Download
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Author: J. J. Forbes
Publisher:
ISBN:
Category : Coal mines and mining
Languages : en
Pages : 26
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Book Description
Author: J. J. Forbes
Publisher:
ISBN:
Category : Coal mines and mining
Languages : en
Pages : 26
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Book Description
Author: George Samuel Rice
Publisher:
ISBN:
Category : Coal mines and mining
Languages : en
Pages : 14
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Book Description
Author: George Samuel Rice
Publisher:
ISBN:
Category : Coal mines and mining
Languages : en
Pages : 8
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Book Description
Author: George Samuel Rice
Publisher:
ISBN:
Category : Coal mines and mining
Languages : en
Pages : 6
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Book Description
Author: George Morton Kintz
Publisher:
ISBN:
Category : Coal mines and mining
Languages : en
Pages : 10
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Book Description
Author: Daniel Harrington
Publisher:
ISBN:
Category : Coal mines and mining
Languages : en
Pages : 8
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Book Description
Author: S. H. Ash
Publisher:
ISBN:
Category : Mineral dust
Languages : en
Pages : 16
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Book Description
Author: Clarence Watson Owings
Publisher:
ISBN:
Category : Mineral dust
Languages : en
Pages : 14
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Book Description
Author: John A. Organiscak
Publisher:
ISBN:
Category : Coal mines and mining
Languages : en
Pages : 20
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Author: John Joseph Vincent Forbes
Publisher:
ISBN:
Category : Coal mines and mining
Languages : en
Pages : 16
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Book Description
Widespread explosions in coal mines can be prevented if rock dust of suitable size and composition is applied effectively within two or three cuts of face; distance between end of rock dusting and face should never exceed 80 feet. Water should be used on cutter bar of mining machines, and coal piles and should not only be wetted after blasting but kept wet during landing.