Author : George Samuel Rice
Publisher :
Page : 26 pages
File Size : 40,54 MB
Release : 1930
Category : Coal mines and mining
ISBN :
[PDF] Rock Dust Barriers For Coal Mines eBook
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Rock-dust Barriers for Coal Mines
Author : George Samuel Rice
Publisher :
Page : 14 pages
File Size : 37,68 MB
Release : 1929
Category : Coal mines and mining
ISBN :
Effective Rock-dusting of Coal Mines
Author : George Samuel Rice
Publisher :
Page : 8 pages
File Size : 25,41 MB
Release : 1927
Category : Coal mines and mining
ISBN :
Tests of Rock-dust Barriers in the Experimental Mine
Author : George Samuel Rice
Publisher :
Page : 88 pages
File Size : 23,85 MB
Release : 1932
Category : Coal mines and mining
ISBN :
Rock-dusting in Coal Mines of the State of Washington
Author : S. H. Ash
Publisher :
Page : 16 pages
File Size : 33,40 MB
Release : 1930
Category : Mineral dust
ISBN :
Methods of Rock-dusting American Coal Mines
Author : J. J. Forbes
Publisher :
Page : 26 pages
File Size : 44,57 MB
Release : 1939
Category : Coal mines and mining
ISBN :
Tests of a Barrier Using Rock Dust in Paper Bags
Author : Harold Putnam Greenwald
Publisher :
Page : 40 pages
File Size : 11,99 MB
Release : 1938
Category : Coal mines and mining
ISBN :
Stone Dusting Or Rock Dusting to Prevent Coal-dust Explosions, as Practiced in Great Britain and France
Author : George Samuel Rice
Publisher :
Page : 62 pages
File Size : 24,94 MB
Release : 1924
Category : Mine explosions
ISBN :
Rock-dusting a Pennsylvania Coal Mine
Author : Clarence Watson Owings
Publisher :
Page : 14 pages
File Size : 38,51 MB
Release : 1931
Category : Mineral dust
ISBN :
Rock Dusting by Hand Method
Author : Daniel Harrington
Publisher :
Page : 8 pages
File Size : 31,38 MB
Release : 1928
Category : Coal mines and mining
ISBN :