Roof Movement Study of Mechanized Retreating Longwall Operation, Lancashire No. 15 Mine, Bakerton, Cambria County, Pa

Roof Movement Study of Mechanized Retreating Longwall Operation, Lancashire No. 15 Mine, Bakerton, Cambria County, Pa PDF Author: Anthony J. Barry
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ISBN:
Category : Longwall mining
Languages : en
Pages : 54

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Technical Paper

Technical Paper PDF Author: United States. National Resources Planning Board
Publisher:
ISBN:
Category : Regional planning
Languages : en
Pages : 408

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Studies of Roof Movement in Coal Mines

Studies of Roof Movement in Coal Mines PDF Author:
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Category : Coal mines and mining
Languages : en
Pages : 88

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Technical Paper

Technical Paper PDF Author:
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Category : Regional planning
Languages : en
Pages : 444

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Research and Progress in the Production and Use of Coal

Research and Progress in the Production and Use of Coal PDF Author: United States. Bureau of Mines
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Category : Coal
Languages : en
Pages : 56

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Annual Report of Research and Technologic Work of Explosives, Explosions, and Flames

Annual Report of Research and Technologic Work of Explosives, Explosions, and Flames PDF Author: Bernard Lewis
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Category : Combustion
Languages : en
Pages : 122

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Report of Investigations

Report of Investigations PDF Author:
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Category : Mineral industries
Languages : en
Pages : 770

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Technical Paper - Bureau of Mines

Technical Paper - Bureau of Mines PDF Author: United States. Bureau of Mines
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Category : Mineral industries
Languages : en
Pages : 1212

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Annual Report of Research and Technologic Work on Coal, Fiscal Year 1938

Annual Report of Research and Technologic Work on Coal, Fiscal Year 1938 PDF Author: Arno Carl Fieldner
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Category : Coal
Languages : en
Pages : 94

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Catalogue of the Public Documents of the [the Fifty-third] Congress [to the 76th Congress] and of All Departments of the Government of the United States

Catalogue of the Public Documents of the [the Fifty-third] Congress [to the 76th Congress] and of All Departments of the Government of the United States PDF Author: United States. Superintendent of Documents
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Category : Government publications
Languages : en
Pages : 2636

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