pt. 1. Boring. Shaft sinking. Surface arrangements. Shafts and headgears. pt. 2. Winding. pt. 3. Heapsteads, screening and washing plant
Author: T. Campbell Futers
Publisher:
Published: 1909
Total Pages: 596
ISBN-13:
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Author: T. Campbell Futers
Publisher:
Published: 1909
Total Pages: 596
ISBN-13:
DOWNLOAD EBOOKAuthor: T. Campbell Futers
Publisher:
Published: 1909
Total Pages: 250
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DOWNLOAD EBOOKAuthor: Carnegie Library of Pittsburgh
Publisher:
Published: 1914
Total Pages: 1308
ISBN-13:
DOWNLOAD EBOOKAuthor: Carnegie Library of Pittsburgh
Publisher:
Published: 1914
Total Pages: 1306
ISBN-13:
DOWNLOAD EBOOKAuthor: Carnegie Library of Pittsburgh
Publisher:
Published: 1914
Total Pages: 1306
ISBN-13:
DOWNLOAD EBOOKAuthor:
Publisher:
Published: 1913
Total Pages: 892
ISBN-13:
DOWNLOAD EBOOKAuthor: Pittsburgh, Pa. Carnegie Free Library of Alleghany
Publisher:
Published: 1913
Total Pages: 638
ISBN-13:
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