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Hydraulic Mining of Anthracite

Hydraulic Mining of Anthracite PDF Author: John W. Buch
Publisher:
ISBN:
Category : Anthracite coal
Languages : en
Pages : 32

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Book Description

Hydraulic Mining of Anthracite

Hydraulic Mining of Anthracite PDF Author: John W. Buch
Publisher:
ISBN:
Category : Anthracite coal
Languages : en
Pages : 32

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Book Description

Hydraulic Mining of Anthracite

Hydraulic Mining of Anthracite PDF Author: Wilbert T. Malenka
Publisher:
ISBN:
Category : Anthracite coal
Languages : en
Pages : 28

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Book Description

Hydraulic Mining of Anthracite

Hydraulic Mining of Anthracite PDF Author: John W. Buch
Publisher:
ISBN:
Category : Anthracite coal
Languages : en
Pages : 32

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Book Description

Evaluation of Mining Constraints to the Revitalization of Pennsylvania Anthracite

Evaluation of Mining Constraints to the Revitalization of Pennsylvania Anthracite PDF Author: Berger & Associates Cost Consultants
Publisher:
ISBN:
Category : Anthracite coal
Languages : en
Pages : 414

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Book Description

Minerals ...

Minerals ... PDF Author: William Francis Rocheleau
Publisher:
ISBN:
Category : Industries
Languages : en
Pages : 224

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Book Description

Backfilling Problem in the Anthracite Region as it Relates to Conservation of Anthracite and Prevention of Subsidence

Backfilling Problem in the Anthracite Region as it Relates to Conservation of Anthracite and Prevention of Subsidence PDF Author: Simon Harry Ash
Publisher:
ISBN:
Category : Anthracite coal
Languages : en
Pages : 22

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Book Description
Federal participation in a cooperative "backfilling" program to prevent surface cave-ins in the anthracite region of Pennsylvania is recommended in this report, which describes a plan for filling worked-out underground areas with waste or other material. Presents the various systems of backfilling and the technical problems involved. Bibliography included

Great American Industries

Great American Industries PDF Author: William Francis Rocheleau
Publisher:
ISBN:
Category : Industries
Languages : en
Pages : 222

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Book Description

Experimental Longwall Mining in a Pennsylvania Anthracite Mine (in Two Parts).

Experimental Longwall Mining in a Pennsylvania Anthracite Mine (in Two Parts). PDF Author: Wilbert T. Malenka
Publisher:
ISBN:
Category : Anthracite coal
Languages : en
Pages : 20

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Book Description

Great American Industries Series: Minerals

Great American Industries Series: Minerals PDF Author: William Francis Rocheleau
Publisher:
ISBN:
Category : Transportation
Languages : en
Pages : 224

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Book Description

Mining of Thin Coal Beds in the Anthracite Region of Pennsylvania

Mining of Thin Coal Beds in the Anthracite Region of Pennsylvania PDF Author: Dever Campbell Ashmead
Publisher:
ISBN:
Category : Anthracite coal
Languages : en
Pages : 162

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Book Description