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- Research methods and measures:
- Data collection and recording
- Document types:
- Information Circulars
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6/1/2012 - Information CircularsThe National Institute for Occupational Safety and Health (NIOSH) conducted the first comprehensive survey of the U.S. mining population in more than 20 years.
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1/1/2012 - Information CircularsThe National Institute for Occupational Safety and Health (NIOSH) conducted the first comprehensive survey of the U.S. mining population in more than 20 years.
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1/1/1984 - Information CircularsA tabulation of methane emissions during 1980 for all United States coal mines with emissions greater than 0.1 MMcfd. The report also compares records of 1975 and 1980 and describes relationships between emissions in 1980 and the Bureau's coalbed gas co...
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Content source: National Institute for Occupational Safety and Health, Mining Program