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Bridges
150
History
35
Covered bridges
32
Design and construction
23
Railroad bridges
20
Law and legislation
11
Streets
11
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21
Subjects and Genres: ';
“...Railroad bridges United States....”
Book
22
Record Source:
Published Materials
Journal
23
Record Source:
Published Materials
Book
24
Published 1927
Subjects and Genres: ';
“...Bridges Delaware River Bridge....”
Record Source:
Published Materials
Book
25
Subjects and Genres: ';
“...Bridges Pennsylvania Pittsburgh....”
26
Published 1873
Subjects and Genres: ';
“...Bridges Design and construct...”
Record Source:
Published Materials
Book
27
28
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Published Materials
29
Subjects and Genres: ';
“...Bridges New Jersey Camden....”
Book
30
Published 1919
Subjects and Genres: ';
“...Bridges Pennsylvania Philadelphia....”
Record Source:
Published Materials
Book
31
32
Subjects and Genres: ';
“...Bridges Schuylkill River....”
Book
33
Subjects and Genres: ';
“...Bridges Design Drawings....”
Book
34
35
Subjects and Genres: ';
“...Bridges Pennsylvania....”
Book
36
Subjects and Genres: ';
“...Railway bridges....”
Book
37
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39
Published 1870
Subjects and Genres: ';
“...Military bridges....”
Record Source:
Published Materials
Book
40
Author:
Drumm, Warren
Subjects and Genres: ';
“...Covered bridges...”
Record Source:
Published Materials
Book