topic

• Geology6
• Landowners5
• Railroads3
• Real property3
• More Less

name

• Hart, Lane S4
• Geological Survey of Pennsylvania3
• Julius Bien & Co3
• Lesley, J. P. (J. Peter), 1819-19033
• White, I. C. (Israel Charles), 1848-19273
• More Less

collection

• Maps of North America17

place

• Pennsylvania8
• Ohio4
• Illinois2
• Alabama1
• Allegheny County1
• More Less

genre

• Diagrams4
• Geological cross-sections3
• Topographic maps3
• Cadastral maps2
• More Less

publisher

• Second Geological Survey of Pennsylvania3
• Benjamin Smith Lyman?2
• publisher not identified2
• Board of Commissioners for the Second Geological Survey1
• Geological Survey of Alabama1
• More Less

division

type

• cartographic17
• text1