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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 (148)
Subject
Stratigraphy (44)
Topography (37)
Nonmetallic Mineral Resources (35)
Structure-Faults (8)
Cities, Towns, and Buildings (6)
Field Conferences and Other Meetings (3)
Economic Uses (2)
Geomorphology (2)
Structure (2)
Fossils (1)
Location Covered
York (148)
Original Format
Photographs (148)
Date
1923-08-23 (33)
1928-01-01 (10)
1923-10-03 (7)
1925-07-30 (7)
1921-07-01 (5)
1923-04-10 (5)
1921-01-01 (4)
1921-09-08 (4)
1922-08-31 (4)
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Pennsylvania Geological Survey - Historical Photographs
148 items
148 items
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