Test Of The Strength Of Roof Supports Used In Anthracite Mines Of Pennsylvania PDF Download

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Test of the Strength of Roof Supports Used in Anthracite Mines of Pennsylvania

Test of the Strength of Roof Supports Used in Anthracite Mines of Pennsylvania
Author: George Samuel Rice
Publisher:
Total Pages:
Release: 2008
Genre:
ISBN:

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The report that follows gives the results of tests to deterrnine the compressive strength of artificial roof supports of various kinds used in the mining of anthracite in Pennsylvania. Some of the types tested also are used in bituminous coal mining in Pennsylvania and other parts of the United States. ...


Bulletin

Bulletin
Author:
Publisher:
Total Pages: 642
Release: 1953
Genre: Mines and mineral resources
ISBN:

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Information Circular

Information Circular
Author:
Publisher:
Total Pages: 740
Release: 1933
Genre: Mines and mineral resources
ISBN:

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List of Publications

List of Publications
Author: United States. Bureau of Mines
Publisher:
Total Pages: 252
Release: 1932
Genre: Government publications
ISBN:

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