• 8 Geology and Geophysics Library (Leith)

• 8 Water quality
• 7 Water-supply
• 2 Water resources development
• 1 Groundwater

• 5 Geological Survey (U.S.). Water Resources Division
• 1 Iowa Geological Survey
• 1 Iowa. Department of Natural Resources. Geological Survey Bureau
• 1 Iowa. Department of Transportation
• 1 Mississippi. Department of Natural Resources
• 1 North Carolina. Department of Environment and Natural Resources
• 1 North Carolina. Department of Environment, Health, and Natural Resources
• 1 North Carolina. Department of Natural Resources and Community Development

• 8 English

• 1 Arizona
• 1 Idaho
• 1 Iowa
• 1 Mississippi
• 1 New York (State)
• 1 North Carolina
• 1 Ohio
• 1 Oklahoma

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