Methods and Costs of Driving Drifts, Crosscuts, and Raises in the Coeur D'Alene Mining District, Shoshone County, Idaho PDF Download

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Methods and Costs of Driving Drifts, Crosscuts, and Raises in the Coeur D'Alene Mining District, Shoshone County, Idaho

Methods and Costs of Driving Drifts, Crosscuts, and Raises in the Coeur D'Alene Mining District, Shoshone County, Idaho PDF Author: George T. Krempasky
Publisher:
ISBN:
Category : Mineral industries
Languages : en
Pages : 56

Book Description

Methods and Costs of Driving Drifts, Crosscuts, and Raises in the Coeur D'Alene Mining District, Shoshone County, Idaho

Methods and Costs of Driving Drifts, Crosscuts, and Raises in the Coeur D'Alene Mining District, Shoshone County, Idaho PDF Author: George T. Krempasky
Publisher:
ISBN:
Category : Mineral industries
Languages : en
Pages : 56

Book Description

Science, Technology, and Development

Science, Technology, and Development PDF Author:
Publisher:
ISBN:
Category : Agriculture
Languages : en
Pages : 774

Book Description

In Situ Determination of Rock Behavior by Overcore Stress Relief Method

In Situ Determination of Rock Behavior by Overcore Stress Relief Method PDF Author: Eugene H. Skinner
Publisher:
ISBN:
Category : Rock deformation
Languages : en
Pages : 100

Book Description

Information Circular

Information Circular PDF Author:
Publisher:
ISBN:
Category : Mines and mineral resources
Languages : en
Pages : 790

Book Description

Report of Investigations

Report of Investigations PDF Author:
Publisher:
ISBN:
Category : Mineral industries
Languages : en
Pages : 902

Book Description

Waterflooding of Oilfields in Colorado

Waterflooding of Oilfields in Colorado PDF Author: Paul Biggs
Publisher:
ISBN:
Category : Oil field flooding
Languages : en
Pages : 696

Book Description

Monthly Catalog of United States Government Publications

Monthly Catalog of United States Government Publications PDF Author:
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 1364

Book Description

List of Bureau of Mines Publications and Articles ... with Subject and Author Index

List of Bureau of Mines Publications and Articles ... with Subject and Author Index PDF Author: United States. Bureau of Mines
Publisher:
ISBN:
Category : Mineral industries
Languages : en
Pages : 308

Book Description

List of Publications

List of Publications PDF Author: United States. Bureau of Mines
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 824

Book Description

Methods and Costs of Rock Drilling at the Silver Summit Mine, Hecla Mining Co., Shoshone County, Idaho

Methods and Costs of Rock Drilling at the Silver Summit Mine, Hecla Mining Co., Shoshone County, Idaho PDF Author: D'Arcy Banister
Publisher:
ISBN:
Category : Drilling and boring
Languages : en
Pages : 28

Book Description
Drilling practices at the Silver Summit mine in Shoshone County, Idaho, and the steps taken to increase drilling efficiency are described for the 1952 to 1958 operating period. Mining and development methods are outlined, and drilling equipment and practice are discussed. Cost and performance data include drilling time, bit duty, steel failure, drill repair, and compressed-air consumption. Steps taken to increase drilling efficiency and decrease costs are described, including modifications of bit design, new procedures for drill-rod fabrication and new processes for completing certain drill-machine repairs
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