The Quarry Managers' Journal PDF Download
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Author:
Publisher:
ISBN:
Category : Quarries and quarrying
Languages : en
Pages : 612
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Book Description
Author:
Publisher:
ISBN:
Category : Quarries and quarrying
Languages : en
Pages : 678
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Author:
Publisher:
ISBN:
Category : Quarries and quarrying
Languages : en
Pages : 336
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Book Description
Author: Harry Roberts (Jr.)
Publisher:
ISBN:
Category : Blasting
Languages : en
Pages : 722
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Book Description
Author: John Sinclair
Publisher: Springer Science & Business Media
ISBN: 9401176116
Category : Science
Languages : en
Pages : 380
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Book Description
Quarrying and all other branches of surface mining rather than diminishing in importance have become of more and more consequence economically, industrially and particularly with the depletion of high-grade deep-mined mineral reserves. Low-grade minerals require low cost extraction and this in many cases necessitates very expensive mechanized equipment with the cost of individual units running into millions of pounds in the case of large scale operations with high productivity. There has been, and there still is, a tendency for the smaller single quarries to be amalgamated into groups with large financial resources and therefore with the ability to purchase these expensive machines so necessary to make operations viable. This in turn requires wider administrative and technical knowledge in executives of these groups and as these often handle a wide range of products from widely differing systems of working, this technical knowledge should embrace the exploitation of many different types of deposits. There is, at present, a great dearth throughout the world of such qualified executives as is apparent from advertisements of vacancies in the technical press. It would appear that these industries offer an attractive career to the widely qualified and experienced technologist in these fields. This book deals with methods of working in the surface extractive indus tries, quarry management and power supply-but does not deal with related ancillary processes except where these affect quarrying operations.
Author:
Publisher:
ISBN:
Category : Building stones
Languages : en
Pages : 492
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Book Description
Author: Peter Zodac
Publisher:
ISBN:
Category : Mineralogy
Languages : en
Pages : 548
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Book Description
"Opal bibliography, by G. Frederick Shepherd.": v. 8, p. 51-60.
Author:
Publisher:
ISBN:
Category : Refractory materials
Languages : en
Pages : 550
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Book Description
Author: David Gwyn
Publisher: RCAHMW
ISBN: 187118455X
Category : Social Science
Languages : en
Pages : 292
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Book Description
Slates from quarries in Wales once went to roof the world. By the late nineteenth century as many as a third of all the roofing slates produced worldwide came from Wales, competing with quarries in France and the United States. This book traces the industry from its origins in the Roman period, its slow medieval development and then its massive expansion in the nineteenth century – as well as through its long drawn-out decline in the twentieth.
Author: United States. Bureau of Mines
Publisher:
ISBN:
Category : Mineral industries
Languages : en
Pages : 332
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Book Description
Author: Mick R. Smith
Publisher: Geological Society of London
ISBN: 9781862390294
Category : Science
Languages : en
Pages : 508
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Book Description
