topic

• Coal mines and mining2
• Real property2
• Boundaries1
• Coal1
• Geology1
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name

• Hart, Lane S2
• Ashburner, Charles A. (Charles Albert), 1854-18891
• Bien, Julius, 1826-19091
• Birge, E. A. (Edward Asahel), 1851-19501
• Cambria Iron Company1
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collection

• Maps of North America6
• Atlases, gazetteers, guidebooks and other books1

place

• Pennsylvania2
• Cambria County1
• Cambria County (Pa.)1
• Chain O Lakes (Wis.)1
• Elk County1
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genre

• Diagrams7
• Maps6
• Bathymetric maps1
• Cadastral maps1
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publisher

• Board of Commissioners for the Second Geological Survey1
• Board of Railroad Commissioners1
• E. Thunot et Cie1
• Geological Survey of Pennsylvania?1
• John S. Swann1
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division

type

• cartographic6
• still image3
• text1