• 2 Journals, Magazines, Newspapers
• 1 Microforms

• 1 Accident investigation
• 1 Accidents, Occupational
• 1 Mining
• 1 Natural gas pipelines
• 1 Pipelines
• 1 Stone industry and trade

• 1 Health and Safety Analysis Center (U.S.). Division of Mining Information Systems
• 1 United States. Bureau of Accident Investigation
• 1 United States. Mine Safety and Health Administration
• 1 United States. National Transportation Safety Board

• 2 English

• 1 United States

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