Geologic Factors in Predicting Coal Mine Roof-rock Stability in the Upper Kittanning Coalbed, Somerset County, Pa

Geologic Factors in Predicting Coal Mine Roof-rock Stability in the Upper Kittanning Coalbed, Somerset County, Pa PDF Author:
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Category : Coal mines and mining
Languages : en
Pages : 52

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Geologic Factors in Predicting Coal Mine Roof-rock Stability in the Upper Kittanning Coalbed, Somerset County, Pa

Geologic Factors in Predicting Coal Mine Roof-rock Stability in the Upper Kittanning Coalbed, Somerset County, Pa PDF Author:
Publisher:
ISBN:
Category : Coal mines and mining
Languages : en
Pages : 52

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Report of Investigations

Report of Investigations PDF Author:
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Category : Mineral industries
Languages : en
Pages : 654

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Coal Mine Roof Rating (CMRR)

Coal Mine Roof Rating (CMRR) PDF Author: Gregory M. Molinda
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Category : Coal mines and mining
Languages : en
Pages : 92

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Energy Research Abstracts

Energy Research Abstracts PDF Author:
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Category : Power resources
Languages : en
Pages : 916

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Fossil Energy Update

Fossil Energy Update PDF Author:
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Category : Fossil fuels
Languages : en
Pages : 936

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Monthly Catalogue, United States Public Documents

Monthly Catalogue, United States Public Documents PDF Author:
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Category : Government publications
Languages : en
Pages : 984

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Monthly Catalog of United States Government Publications

Monthly Catalog of United States Government Publications PDF Author:
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Category : Government publications
Languages : en
Pages : 860

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Influence of Overlying Strata on Methane Emissions in a Northern West Virginia Coal Mine

Influence of Overlying Strata on Methane Emissions in a Northern West Virginia Coal Mine PDF Author: James P. Ulery
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Category : Coal mines and mining
Languages : en
Pages : 24

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Water Jet Perforation

Water Jet Perforation PDF Author: Benjamin W. Haynes
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Category : Aluminum oxide
Languages : en
Pages : 728

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Recovery of Copper and Associated Precious Metals from Electronic Scrap

Recovery of Copper and Associated Precious Metals from Electronic Scrap PDF Author: H. B. Salisbury
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Category : Copper
Languages : en
Pages : 628

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