topic

• Administrative and political divisions1
• Coalfields1
• Coke1
• Gas wells1
• Mines and mineral resources1
• More Less

name

• Bureau of Information (Pittsburgh, Pa.)1
• Diffenbacher, J. F1
• Krebs, Otto1

collection

• Maps of North America2

place

• Pennsylvania2
• North Side (Pittsburgh, Pa.)1
• Pittsburgh1
• Pittsburgh Region1

genre

• Maps2
• Thematic maps1

publisher

• Bureau of Information, rooms of the Chamber of Commerce1
• Chamber of Commerce of Pittsburgh1

division

type

• cartographic2