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- Research methods and measures:
- Data analysis
- Document types:
- Contract reports
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2/1/1990 - Contract reportsThis supplement to the final report is a collection of interim and monthly reports and working memoranda prepared during the course of this program to document the progress, methods and results of the work.
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2/1/1982 - Contract reportsAn evaluation was made of one of several improved underground communication systems sponsored by the U.S. Bureau of Mines. The system was installed in a typical metal-nonmetal, room-and-pillar mine and utilized ultrahigh frequency repeaters connected to...
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2/1/1981 - Contract reports, Open File ReportsA survey of electromagnetic noise reports was performed and a summary of the results are given.
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Content source: National Institute for Occupational Safety and Health, Mining Program