topic

• Landowners4
• Real property3
• Petroleum2
• Administrative and political divisions1
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name

• Barnes, Rufus L1
• Chamber of Commerce of Pittsburgh1
• Haehnlen, Jacob, 1824-1
• Hunt, J. P. (John P.)1
• Krebs, Otto1
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collection

• Maps of North America7

place

• Pennsylvania6
• Venango County4
• Venango County (Pa.)3
• Pittsburgh (Pa.)1
• Pittsburgh Region1
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genre

• Maps7
• Cadastral maps3
• Manuscript maps1
• Thematic maps1

publisher

• Chamber of Commerce of Pittsburgh1
• John P. Hunt1
• Office of the Auditor General?1
• R.L. Barnes1
• Tremont Petroleum Company?1
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division

type

• cartographic7