Undercut Block-caving Method of Mining in Western Copper Mines
Author: Eugene Delos Gardner
Publisher:
Published: 1930
Total Pages: 110
ISBN-13:
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Techology, Employment, and Output Per Man in Copper Mining
Author: United States. Work Projects Administration
Publisher:
Published: 1940
Total Pages: 282
ISBN-13:
DOWNLOAD EBOOKTechnology, Employment, and Output Per Man in Copper Mining
Author: Yau Sing Leong
Publisher:
Published: 1940
Total Pages: 282
ISBN-13:
DOWNLOAD EBOOKStoping Methods and Cost
Author: Charles Freeman Jackson
Publisher:
Published: 1937
Total Pages: 306
ISBN-13:
DOWNLOAD EBOOKMetal-mine Accidents in the United States During the Calendar Year 1938
Author: Charles George Maier
Publisher:
Published: 1940
Total Pages: 756
ISBN-13:
DOWNLOAD EBOOKBulletin
Author: United States. Bureau of Mines
Publisher:
Published: 1935
Total Pages: 1442
ISBN-13:
DOWNLOAD EBOOKLaboratory Studies of the Inflammability of Coal Dusts
Author: Albert Lawrence Godbert
Publisher:
Published: 1935
Total Pages: 1200
ISBN-13:
DOWNLOAD EBOOKOpen-cut Metal Mining
Author: Eugene Delos Gardner
Publisher:
Published: 1941
Total Pages: 210
ISBN-13:
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