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Handbook of Rock Excavation, Methods and Cost
Language: en
Pages: 864
Authors: Halbert Powers Gillette
Categories: Excavation
Type: BOOK - Published: 1916 - Publisher:

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Handbook of Rock Excavation, Methods and Cost
Language: en
Pages: 831
Authors: Halbert Powers Gillette
Categories: Quarries and quarrying
Type: BOOK - Published: 1928 - Publisher:

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Rock Excavation
Language: en
Pages: 420
Authors: Halbert Powers Gillette
Categories: Excavation
Type: BOOK - Published: 1904 - Publisher:

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HANDBK OF ROCK EXCAVATION METH
Language: en
Pages: 862
Authors: Halbert Powers B. 1869 Gillette
Categories: History
Type: BOOK - Published: 2016-08-26 - Publisher: Wentworth Press

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This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced
Rock Excavation
Language: en
Pages: 394
Authors: Halbert P. Gillette
Categories: Technology & Engineering
Type: BOOK - Published: 2015-07-21 - Publisher:

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Excerpt from Rock Excavation: Methods and Cost The value of the mineral products of America annually exceeds $1,000,000,000. For explosives alone the sum of $20