1
Record Source: Published Materials
Subjects and Genres: '; ...Pennsylvania Railroad Bridge...
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2
Record Source: Published Materials
Subjects and Genres: '; ...Railroad bridges...
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3
Record Source: Published Materials
Subjects and Genres: '; ...Railroad bridges...
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4
Subjects and Genres: '; ...Railroad bridges...
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5
Published 1862
Record Source: Published Materials
Subjects and Genres: '; ...Railroad bridges Pennsylvania....
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6
Record Source: Published Materials
Subjects and Genres: '; ...Elevated railroad bridges...
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7
Published 1862
Record Source: Published Materials
Subjects and Genres: '; ...Railroad bridges Pennsylvania....
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8
Author: Roy, Richard.
Record Source: Published Materials
Subjects and Genres: '; ...Railroad bridges New Hampshire....
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9
Author: Cooper, Theodore, 1839-1919.
Published 1889
Record Source: Published Materials
Subjects and Genres: '; ...Railroad bridges United States....
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11
Author: Osborne, Richard B.
Published 1885
Record Source: Published Materials
Subjects and Genres: '; ...Railroad bridges Pennsylvania....
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15
Author: Felton, Franklin E.
Published 1863
Record Source: Published Materials
Subjects and Genres: '; ...Railroad bridges Perryville (Md.)...
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16
Author: Felton, Franklin Eliot.
Published 1863
Record Source: Published Materials
Subjects and Genres: '; ...Railroad bridges Maryland Perryville....
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19
Author: Voorhees, Henry Belin, 1876-
Published 1944
Record Source: Published Materials
...Glasgow (Mo.) Alton railroad bridge....
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20
Record Source: Published Materials
Subjects and Genres: '; ...Railroad bridges Pennsylvania Philadelphia...