You May Also Like

Evaluation of a sheathed permissible explosive charge for open shooting in flammable atmospheres
Cite
CITE Title : Evaluation of a sheathed permissible explosive charge for open shooting in flammable atmospheres Personal Author(s) : Mainiero, Richard J.;Hay, J. Edmund; Corporate Authors(s) : United States. Bureau of Mines. Published Date : April 1982 Series : Bureau of Mines technical progress report ; TPR 118 URL : https://stacks.cdc.gov/view/cdc/9334
• File Format:
Copy Export
• RIS
[PDF - 1.06 MB]
Personal Author:
Mainiero, Richard J. ; Hay, J. Edmund ;
April 1982 | Bureau of Mines technical progress report ; TPR 118
Description:
The Bureau of Mines has developed a prototype nonincendive explosive rock-breaker charge that can be fired unconfined in underground bituminous coal m...
File Type:
[PDF - 1.06 MB]
File Type:
[PDF - 1.06 MB]

Use of vertical boreholes for assisting ventilation of longwall gob areas
Cite
CITE Title : Use of vertical boreholes for assisting ventilation of longwall gob areas Personal Author(s) : Elder, Curtis H. Corporate Authors(s) : United States. Bureau of Mines.;United States. Bureau of Mines. Methane Control Program.; Published Date : May 1969 Series : Bureau of Mines technical progress report ; TPR 13 URL : https://stacks.cdc.gov/view/cdc/9338
• File Format:
Copy Export
• RIS
[PDF - 796.51 KB]
Personal Author:
Elder, Curtis H.
May 1969 | Bureau of Mines technical progress report ; TPR 13
Description:
An experimental degasification program using a vertical borehole and vacuum pump to drain gas from the gob area of a longwall panel was successful at ...
File Type:
[PDF - 796.51 KB]
File Type:
[PDF - 796.51 KB]