topic

• Canals1
• Coal1
• Iron industry and trade1
• Oil fields1
• Railroads1

name

• Haehnlen, Jacob, 1824-1
• Pennsylvania. Office of the Auditor General1
• Sheafer, P. W. (Peter Wenrick), 1819-1

collection

• Maps of North America1

place

• Pennsylvania1

genre

• Maps1

publisher

division

• Map Division1

type

• cartographic1