George G. Frederick

Identifiers

• Open LibraryOL727416A

Top Subjects

• Wisconsin (1)
• Dodge County (1)
• Geology, Stratigraphic -- Ordovician (1)
• Geology, Stratigraphic -- Silurian (1)
• Iron mines and mining -- Wisconsin -- Dodge County -- History (1)
• Dodge County (Wis.) (1)
• Dodge County (Wis.) -- History (1)