• 1 Geology and Geophysics Library (Leith)
• 1 Steenbock Library

• 1 Books
• 1 Journals, Magazines, Newspapers

• 1 Air quality
• 1 Climatology
• 1 Navigation
• 1 Observations
• 1 Radio in navigation
• 1 Safety measures
• 1 Weather telegraphy

• 1 United States. Hydrographic Office
• 1 University of Wisconsin--Extension
• 1 Wisconsin Geological and Natural History Survey

• 1 Wisconsin

• 1 Periodicals

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