• 2 Geology and Geophysics Library (Leith)
• 1 Wisconsin Historical Society Library
• 1 Wisconsin's Water Library

• 2 Pollution
• 2 Research
• 2 Water resources development
• 1 Sanitary affairs
• 1 State of Washington Water Research Center
• 1 Water conservation
• 1 Water-supply

• 2 State of Washington Water Research Center
• 1 University of Washington
• 1 Washington State Pollution Control Commission
• 1 Washington State University

• 3 English

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