Stemming in Metal Mines. Progress Report 3: Relative Advantages and Disadvantages of Different Types of Stemming and No Stemming When Used with 60 Percent Ammonia Gelatin Dynamite at the Mount Weather Testing Adit

One of 418 reports in the series: Report of investigations (United States. Bureau of Mines) available on this site.

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Description

Report issued by the U.S. Bureau of Mines on the progress made in metal-mine stemming. Previous reports have been presented impartially, or under different procedures. This report contains updated progress results from current procedures and mine conditions. The report includes tables, and illustrations.

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16 p. : ill. ; 27 cm.

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Johnson, John A.; Agnew, Wing G. & Mosier, McHenry February 1942.

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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 1030 times , with 35 in the last month . More information about this report can be viewed below.

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Description

Report issued by the U.S. Bureau of Mines on the progress made in metal-mine stemming. Previous reports have been presented impartially, or under different procedures. This report contains updated progress results from current procedures and mine conditions. The report includes tables, and illustrations.

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16 p. : ill. ; 27 cm.

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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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  • February 1942

Added to The UNT Digital Library

  • June 4, 2012, 12:42 p.m.

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  • Sept. 30, 2015, 8:39 p.m.

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Johnson, John A.; Agnew, Wing G. & Mosier, McHenry. Stemming in Metal Mines. Progress Report 3: Relative Advantages and Disadvantages of Different Types of Stemming and No Stemming When Used with 60 Percent Ammonia Gelatin Dynamite at the Mount Weather Testing Adit, report, February 1942; [Washington D.C.]. (digital.library.unt.edu/ark:/67531/metadc38438/: accessed November 18, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.