topic

• Railroads73
• Landowners70
• Administrative and political divisions67
• Real property66
• Canals39
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name

• Mitchell, S. Augustus (Samuel Augustus), 1792-186827
• Lesley, J. P. (J. Peter), 1819-190324
• Smith, Robert Pearsall, 1827-189824
• Tanner, Henry Schenck, 1786-185824
• Geological Survey of Pennsylvania23
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collection

• Maps of North America323
• Maps of New York City and State61
• Lawrence H. Slaughter Collection of English maps, charts, globes, books and atlases45
• Atlases of New York City17
• John H. Levine Collection7
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place

• Pennsylvania244
• New York (State)86
• New Jersey68
• Philadelphia (Pa.)52
• Maryland37
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genre

• Maps464
• Cadastral maps45
• Geological maps16
• Topographic maps16
• Diagrams7
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publisher

• publisher not identified31
• Geological Survey of Pennsylvania13
• s.n.,11
• Sanborn Map Company9
• S. Augustus Mitchell8
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division

type

• cartographic464
• still image12
• text3