topic

• Geology15
• Copper mines and mining3
• Discovery and exploration3
• Mines and mineral resources3
• Coal mines and mining2
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name

• Ackerman Lithr3
• Foster, J. W. (John Wells), 1815-18733
• Hill, S. W. (Samuel Worth), 1815-18893
• Whitney, J. D. (Josiah Dwight), 1819-18963
• Erhard (Firm)2
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collection

• Maps of North America14
• Maps of New York City and State2

place

• Michigan5
• California3
• Isle Royale2
• Isle Royale (Mich.)2
• Massachusetts2
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genre

• Maps16
• Diagrams1
• Geological cross-sections1
• Physical maps1
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publisher

division

• Map Division16

type