1
Published 1839
Record Source: Published Materials
Subjects and Genres: '; ...Bridges Pennsylvania Philadelphia Schuylkill River....
Book
2
Author: Lewis, John Frederick, 1860-1932.
Published 1924
Record Source: Published Materials
Subjects and Genres: '; ...Water Pollution Penn. Philadelphia....
Book
3
Published 1834
Record Source: Published Materials
Subjects and Genres: '; ...Toll bridges Pennsylvania Philadelphia....
Book
4
5
Published 1838
Record Source: Published Materials
Subjects and Genres: '; ...Philadelphia Tide Lock Canal Company....
Book