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1
Published 1855
Subjects and Genres: ';
“...Pennsylvania. Board of Canal Commissioners...”
Record Source:
Published Materials
Book
2
Published 1853
Subjects and Genres: ';
“...Canals Pennsylvania....”
Record Source:
Published Materials
Book
3
Published 1857
Subjects and Genres: ';
“...Railroads Design and construction Costs Pennsylvania....”
Record Source:
Published Materials
Book
4
Published 1857
Subjects and Genres: ';
“...Railroads Design and construction Costs Pennsylvania....”
Record Source:
Published Materials
Book
5
Published 1855
Subjects and Genres: ';
“...Railroads Pennsylvania Design and construction....”
Record Source:
Published Materials
Book
6
Published 1839
Subjects and Genres: ';
“...Railroads Design and construction Costs Pennsylvania....”
Record Source:
Published Materials
Book
7
Published 1839
Subjects and Genres: ';
“...Railroads Design and construction Costs Pennsylvania....”
Record Source:
Published Materials
Book
8
Subjects and Genres: ';
“...Railroads Design and construction Costs Pennsylvania....”
Book
9
Subjects and Genres: ';
“...Railroads Pennsylvania Early works to 1850....”
Book
10
Subjects and Genres: ';
“...Railroads Costs Pennsylvania Design and construction....”
Book