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Pennsylvania Geological Survey - Historical Photographs - Browse all items - Pennsylvania Photos and Documents
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Contributing Institution
Pennsylvania Geological Survey (34)
Subject
Topography (15)
Nonmetallic Mineral Resources (9)
Stratigraphy (8)
Structure (2)
Location Covered
Huntingdon (25)
Jefferson (7)
Blair (1)
Fulton (1)
Original Format
Photographs (34)
Date
1923-08-22 (34)
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Pennsylvania Geological Survey - Historical Photographs
34 items
34 items
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