Tests of Strength of Roof Supports Used in Anthracite Mines of Pennsylvania

One of 1,473 reports in the series: United States Bureau of Mines Reports available on this site.

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Description

From Introduction: "The report that follows gives the results to determine the comprehensive strength of artificial roof supports of various kinds used in the mining of anthracite in Pennsylvania."

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48 p. : ill.

Creation Information

United States. Bureau of Mines. 1929.

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This report is part of the collection entitled: Technical Report Archive and Image Library and was provided by UNT Libraries Government Documents Department to Digital Library, a digital repository hosted by the UNT Libraries. It has been viewed 87 times . More information about this report can be viewed below.

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  • Main Title: Tests of Strength of Roof Supports Used in Anthracite Mines of Pennsylvania
  • Added Title: Report of the United States Bureau of Mines to the Pennsylvania State Anthracite Mine Cave Commission
  • Added Title: Review of the Compressive Strength of Anthracite, Bituminous Coals and Mine Supports
  • Series Title: United States Bureau of Mines Reports
  • Added Title: United States Bureau of Mines Bulletin 303

Description

From Introduction: "The report that follows gives the results to determine the comprehensive strength of artificial roof supports of various kinds used in the mining of anthracite in Pennsylvania."

Physical Description

48 p. : ill.

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Technical Report Archive and Image Library

This selection of materials from the Technical Report Archive and Image Library (TRAIL) includes hard-to-find reports published by various government agencies. The technical publications contain reports, images, and technical descriptions of research performed for U.S. government agencies. Topics range from mining, desalination, and radiation to broader physics, biology, and chemistry studies. Some reports include maps, foldouts, blueprints, and other oversize materials.

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Creation Date

  • 1929

Added to The UNT Digital Library

  • Feb. 21, 2010, 11:09 p.m.

Description Last Updated

  • Dec. 14, 2016, 8:51 a.m.

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Citations, Rights, Re-Use

United States. Bureau of Mines. Tests of Strength of Roof Supports Used in Anthracite Mines of Pennsylvania, report, 1929; Washington D.C.. (digital.library.unt.edu/ark:/67531/metadc12476/: accessed September 21, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.