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Electromagnetic technique for locating boreholes
Cite
CITE Title : Electromagnetic technique for locating boreholes Personal Author(s) : Sacks, H. Kenneth. Corporate Authors(s) : United States. Bureau of Mines. Published Date : 1978 Series : Report of investigations (United States. Bureau of Mines) ; 8302;Report of investigations (United States. Bureau of Mines) ; 8308; URL : https://stacks.cdc.gov/view/cdc/9269
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Personal Author:
Sacks, H. Kenneth.
1978 | Report of investigations (United States. Bureau of Mines) ; 8302
Description:
"The Bureau of Mines has developed hardware for electromagnetic (EM) detection and location of miners trapped in underground coal mines. This report d...
File Type:
[PDF - 737.93 KB]
File Type:
[PDF - 737.93 KB]

Laser tracking and tram control of a continuous mining machine
Cite
CITE Title : Laser tracking and tram control of a continuous mining machine Personal Author(s) : Anderson, Donna L. Corporate Authors(s) : United States. Bureau of Mines. Published Date : 1990 Series : Report of investigations (United States. Bureau of Mines) ; 9319 URL : https://stacks.cdc.gov/view/cdc/10570
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[PDF - 1.80 MB]
Personal Author:
Anderson, Donna L.
1990 | Report of investigations (United States. Bureau of Mines) ; 9319
Description:
"This U.S. Bureau of Mines report discusses the status of a laser- based guidance system to provide position and heading feedback and closed-loop cont...
File Type:
[PDF - 1.80 MB]
File Type:
[PDF - 1.80 MB]