Author: Daniel Harrington
Publisher:
ISBN:
Category : Coal mines and mining
Languages : en
Pages : 8
Book Description
Rock Dusting by Hand Method
Author: Daniel Harrington
Publisher:
ISBN:
Category : Coal mines and mining
Languages : en
Pages : 8
Book Description
Publisher:
ISBN:
Category : Coal mines and mining
Languages : en
Pages : 8
Book Description
Methods of Rock-dusting American Coal Mines
Author: J. J. Forbes
Publisher:
ISBN:
Category : Coal mines and mining
Languages : en
Pages : 26
Book Description
Publisher:
ISBN:
Category : Coal mines and mining
Languages : en
Pages : 26
Book Description
Rock-dusting a Pennsylvania Coal Mine
Author: Clarence Watson Owings
Publisher:
ISBN:
Category : Mineral dust
Languages : en
Pages : 14
Book Description
Publisher:
ISBN:
Category : Mineral dust
Languages : en
Pages : 14
Book Description
Use of Rock Dust and Water Under the Federal Mine Safety Code in Limiting Coal-dust Explosions
Author: John Joseph Vincent Forbes
Publisher:
ISBN:
Category : Coal mines and mining
Languages : en
Pages : 16
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.
Publisher:
ISBN:
Category : Coal mines and mining
Languages : en
Pages : 16
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.
Report of Investigations
The Effectiveness of Different-size Rock Dusts in Preventing Coal-dust Explosions in Mines
Author: George Samuel Rice
Publisher:
ISBN:
Category : Coal mines and mining
Languages : en
Pages : 14
Book Description
Publisher:
ISBN:
Category : Coal mines and mining
Languages : en
Pages : 14
Book Description
Monthly Labor Review
Author:
Publisher:
ISBN:
Category : Labor laws and legislation
Languages : en
Pages : 1562
Book Description
Publisher:
ISBN:
Category : Labor laws and legislation
Languages : en
Pages : 1562
Book Description
Technical Paper
Technical Paper - Bureau of Mines
Author: United States. Bureau of Mines
Publisher:
ISBN:
Category : Mines and mineral resources
Languages : en
Pages : 1482
Book Description
Publisher:
ISBN:
Category : Mines and mineral resources
Languages : en
Pages : 1482
Book Description
Use of Rock Dust in Bituminous-coal Mines During 1930, 1931, and 1932
Author: William Waugh Adams
Publisher:
ISBN:
Category : Bituminous coal
Languages : en
Pages : 16
Book Description
Publisher:
ISBN:
Category : Bituminous coal
Languages : en
Pages : 16
Book Description