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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 (43)
Subject
Topography (12)
Nonmetallic Mineral Resources (10)
Structure-Folds (8)
Stratigraphy (6)
Stratigraphy-Weathering (5)
Cities, Towns, and Buildings (1)
Weathering (1)
Location Covered
Mifflin (20)
Dauphin (5)
York (5)
Juniata (4)
Northampton (4)
Allegheny (3)
Allegheny -- Washington (1)
Lancaster (1)
Original Format
Photographs (43)
Date
1921-07-01 (43)
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Pennsylvania Geological Survey - Historical Photographs
43 items
43 items
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