• 2 Journals, Magazines, Newspapers

• 2 Calendars
• 1 Bodies of water
• 1 Geology
• 1 Presidents
• 1 Rivers
• 1 Silicate minerals
• 1 Silicon compounds
• 1 Silicon crystals

• 2 Wisconsin Geological and Natural History Survey
• 1 Bennett, H. H. (Henry Hamilton), 1843-1908
• 1 Geological Survey (U.S.)
• 1 Zahony, S. G

• 4 English

• 2 Wisconsin
• 1 United States

Limit year range