topic

• Geology2
• Railroads2
• Canals1
• Coal mines and mining1
• Discovery and exploration1
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name

• Ackerman Lithr1
• Erhard (Firm)1
• Imprimerie Lemercier et cie1
• Kollner, Augustus, 1813-19061
• Roberts, William F., 1809-1

collection

• Maps of North America6

place

• Alaska1
• Asiatic Russia1
• California1
• Canada, Western1
• Dead River Valley (Somerset County and Franklin County, Me.)1
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genre

• Maps6
• Geological maps2
• Cadastral maps1
• Diagrams1
• Geological cross-sections1
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publisher

division

• Map Division6

type

• cartographic6