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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 (262)
Subject
Stratigraphy (87)
Metallic Mineral Resources (63)
Cities, Towns, and Buildings (29)
Nonmetallic Mineral Resources (21)
Structure-Folds (10)
Engineering Geology (9)
Sinkholes (6)
Structure (6)
Topography (5)
Structure-Faults (4)
Location Covered
Lebanon (262)
Berks (8)
Dauphin (1)
Original Format
Photographs (261)
Photocopies (1)
Date
1922-08-17 (19)
1913-08-01 (17)
1952-01-01 (15)
1956-01-01 (14)
1950-08-01 (12)
1971-01-01 (12)
1951 1957 (11)
1958-01-01 (10)
1968-01-01 (10)
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Pennsylvania Geological Survey - Historical Photographs
262 items
262 items
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