Systematic Timbering Rules at the Washington Coal Mines
Author: Simon Harry Ash
Publisher:
Published: 1930
Total Pages: 10
ISBN-13:
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Some Information on Timbering Bituminous-coal Mines
Author: John Joseph Vincent Forbes
Publisher:
Published: 1939
Total Pages: 932
ISBN-13:
DOWNLOAD EBOOKState Laws Relating to Coal-mine Timbering
Author: James Washington Paul
Publisher:
Published: 1928
Total Pages: 64
ISBN-13:
DOWNLOAD EBOOKMiners' Circular
Author: United States. Bureau of Mines
Publisher:
Published: 1938
Total Pages: 636
ISBN-13:
DOWNLOAD EBOOKTechnical Paper
Author: United States. Bureau of Mines
Publisher:
Published: 1936
Total Pages: 1134
ISBN-13:
DOWNLOAD EBOOKCarbonizing Properties and Petrographic Composition of Millers Creek Bed Coal from Consolidation No. 155 Mine, Johnson County, Ky
Author: Arno Carl Fieldner
Publisher:
Published: 1937
Total Pages: 1252
ISBN-13:
DOWNLOAD EBOOKMilling Methods and Costs at the Northern Idaho Mills of the Bunker Hill and Sullivan Mining and Concentrating Co
Author: R. S. Handy
Publisher:
Published: 1930
Total Pages: 1292
ISBN-13:
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