• 11 Middleton Shelving Facility
• 7 Memorial Library
• 5 Wendt Commons Library - Closed
• 1 Verona Shelving Facility

• 22 Journals, Magazines, Newspapers
• 10 Microforms

• 11 Accidents
• 9 Mine accidents
• 6 Mineral industries
• 5 Nonmetallic minerals
• 3 Quarries and quarrying
• 2 Accidents, Occupational
• 2 Mining
• 1 Anthracite coal
• 1 Coal mine accidents
• 1 Forecasting
• 1 Liquefied natural gas
• 1 Natural gas
• 1 Petroleum as fuel
• 1 Petroleum industry and trade
• 1 Petroleum products
• 1 Salmon fisheries
• 1 Sand and gravel industry
• 1 Stone industry and trade

• 13 United States. Mine Safety and Health Administration
• 5 Health and Safety Analysis Center (U.S.). Division of Mining Information Systems
• 5 United States. Bureau of Mines
• 4 United States. Energy Information Administration
• 3 United States. Mining Enforcement and Safety Administration
• 1 Alaska. Commercial Fisheries Management and Development Division
• 1 Health and Safety Analysis Center (U.S.). Branch of Recurring Reports

• 22 English

• 19 United States
• 1 Alaska
• 1 Pennsylvania

• 1 statistics

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