topic

• Anthracite coal mines and mining1
• Coal mines and mining1
• Geology1
• Iron1
• Iron mines and mining1
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name

• Hart, Lane S3
• Ashburner, Charles A. (Charles Albert), 1854-18892
• Lesley, J. P. (J. Peter), 1819-19032
• Bien, Julius, 1826-19091
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collection

• Maps of North America3

place

• Pennsylvania3
• Cambria County1
• Cambria County (Pa.)1
• Carbon County1
• Carbon County (Pa.)1
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genre

• Maps3
• Charts1
• Diagrams1
• Geological maps1

publisher

• Geological Survey of Pennsylvania2
• Geological Survey of Pennsylvania?1

division

type

• cartographic3