topic

• Railroads44
• Landowners40
• Administrative and political divisions38
• Real property33
• Canals22
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name

• Lesley, J. P. (J. Peter), 1819-190324
• Geological Survey of Pennsylvania23
• Hart, Lane S22
• Julius Bien & Co13
• Ashburner, Charles A. (Charles Albert), 1854-188911
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collection

• Maps of North America205
• Lawrence H. Slaughter Collection of English maps, charts, globes, books and atlases19
• Maps of New York City and State14
• John H. Levine Collection4
• Atlases, gazetteers, guidebooks and other books1
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place

• New Jersey58
• Philadelphia (Pa.)42
• Philadelphia37
• Maryland26
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genre

• Maps244
• Cadastral maps25
• Topographic maps15
• Geological maps13
• Thematic maps7
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publisher

• publisher not identified22
• Geological Survey of Pennsylvania13
• Second Geological Survey of Pennsylvania7
• Ferdinand Andrews3
• H.S. Tanner3
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division

type

• still image8
• text3