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Bridges
149
History
35
Covered bridges
32
Design and construction
22
Railroad bridges
20
Law and legislation
11
Streets
11
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101
Subjects and Genres: ';
“...Covered bridges United States....”
Book
102
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Published Materials
Book
103
Author:
Roy, Richard.
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“...Railroad bridges New Hampshire....”
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Published Materials
Book
104
Subjects and Genres: ';
“...Bridges Pennsylvania Cumberland County....”
Microfilm
105
Subjects and Genres: ';
“...Bridges, Harry, 1901-...”
Book
106
107
Published 1920
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“...Bridges Specifications Penn. Philadelphia....”
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Published Materials
Map
108
Subjects and Genres: ';
“...Arch bridges Design....”
Book
109
Published 1850
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“...Bridges Wheeling, W. Va....”
Record Source:
Published Materials
Book
110
Subjects and Genres: ';
“...Covered bridges United States....”
Book
111
Subjects and Genres: ';
“...Bridges Pennsylvania Cumberland County....”
Book
112
Published 1956
Subjects and Genres: ';
“...Covered bridges United States....”
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Published Materials
Book
113
Record Source:
Published Materials
Book
114
Published 1835
Subjects and Genres: ';
“...Fair Mount Bridge Company....”
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Published Materials
Book
115
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Published Materials
116
117
Subjects and Genres: ';
“...Bridges United States Maintenance and repair....”
Book
118
Subjects and Genres: ';
“...Bridges Pennsylvania Philadelphia Design and construction....”
Book
119
Published 1961
Subjects and Genres: ';
“...Covered bridges Penn. Bucks Co....”
Record Source:
Published Materials
Book
120
Subjects and Genres: ';
“...Covered bridges Pennsylvania Chester County....”
Book