topic

• Geology16
• Anthracite coal mines and mining5
• Coal mines and mining4
• Anthracite coal3
• Coal3
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name

• Lesley, J. P. (J. Peter), 1819-190321
• Hart, Lane S20
• Julius Bien & Co10
• Ashburner, Charles A. (Charles Albert), 1854-18899
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collection

• Maps of North America23

place

• Pennsylvania23
• Schuylkill County6
• Carbon County5
• Schuylkill County (Pa.)4
• Carbon County (Pa.)3
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genre

• Maps23
• Geological maps10
• Geological cross-sections5
• Charts3
• Diagrams3
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publisher

• Geological Survey of Pennsylvania13
• Second Geological Survey of Pennsylvania7
• Geological Survey of Pennsylvania?2
• Pennsylvania Geological Survey1

division

type

• cartographic23