topic

• Anthracite coal mines and mining4
• Coal mines and mining3
• Geological surveys3
• Coal1
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name

• Geological Survey of Pennsylvania14
• Hart, Lane S14
• Lesley, J. P. (J. Peter), 1819-190313
• Julius Bien & Co7
• Ashburner, Charles A. (Charles Albert), 1854-18896
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collection

• Maps of North America18
• Maps of New York City and State3

place

• Pennsylvania16
• Schuylkill County5
• Carbon County4
• New York (State)3
• Schuylkill County (Pa.)3
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genre

• Maps21
• Geological maps10
• Geological cross-sections6
• Diagrams4
• Charts3
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publisher

• Geological Survey of Pennsylvania9
• Second Geological Survey of Pennsylvania4
• Board of Commissioners for the Second Geological Survey1
• D. Chillas Lith1
• Geological Survey of Pennsylvania?1
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division

• Map Division21

type