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Data Source
Photographs
569
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4
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Collection
Ed Schopf Safe Harbor Collection
441
General Collection
112
Album 82 Donald A. Groff Photograph Album
9
Darmstaetter Collection
5
Bridge Records
1
DeWalt Products Collection
1
Diffenderffer Family Papers
1
H. John Hiemenz Album
1
Hydroelectric Power Collection
1
Lloyd Mifflin Collection
1
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Subject
Documentary Artifact
4237
Veterans' Peddlers License
582
Susquehanna River
Dams
499
Petitions
459
Safe Harbor Dam
448
Power Plants
440
World War I
308
WWI
288
Photographs
243
Floods
234
Disasters
170
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Name
Schopf, Edward
441
Darmstaetter's
7
Kegel, Jim
2
Brubaker, John
1
Brubaker, Margaret
1
Brubaker, Philip
1
Cashore, Elmer
1
Davis, Sarah
1
Diffenderfer, David
1
Diffenderfer, Elizabeth Shirk
1
Diffenderfer, John
1
Diffenderffer family
1
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Place
Conestoga Twp.
450
Martic Twp.
58
Marietta
20
Columbia
16
Conowingo, Cecil County, Maryland
3
Middletown, Dauphin County, Pennsylvania
2
Columbia, Lancaster County and Wrightsville, York County
1
East Donegal Twp.
1
Lancaster
1
Manor Twp.
1
Perryville, Cecil County, Maryland
1
Washington Boro, Manor Twp.
1
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Decade
1690s
1
1700s
1
1710s
1
1720s
1
1730s
1
1740s
2
1750s
2
1760s
3
1770s
3
1780s
3
1790s
10
1800s
10
1810s
22
1820s
11
1830s
15
1840s
14
1850s
9
1860s
15
1870s
15
1880s
13
1890s
37
1900s
76
1910s
109
1920s
74
1930s
1940s
15
1950s
11
1960s
4
1970s
13
1980s
9
1990s
163
2000s
9
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Material
Print, Photographic
563
Negative
6
Archive
3
Invitation
1
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Archival Hierarchy
Fonds
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569
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All Records
1930s
Susquehanna River
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573 records – page 1 of 58.
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573 records – page 1 of 58.
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