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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 (4)
Subject
Igneous and Metamorphic (1)
Nonmetallic Mineral Resources (1)
Rivers and Streams (1)
Survey Staff (1)
Location Covered
Dauphin (1)
Lebanon (1)
Lycoming (1)
Montgomery (1)
Original Format
Photocopies (4)
Date
1934-05-01 (1)
1934-08-28 (1)
1970-04-08 (1)
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Pennsylvania Geological Survey - Historical Photographs
4 items
4 items
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