1
2
Record Source: Published Materials
Subjects and Genres: '; ...Locks (Hydraulic Engineering)...
4
5
Published 1990
Record Source: Published Materials
Subjects and Genres: '; ...Locks (Hydraulic engineering) Pennsylvania Freemansburg....
Book
6
Author: Shank, William H.
Published 1982
Record Source: Published Materials
Subjects and Genres: '; ...Civil engineering Popular works....
Book
7
Record Source: Published Materials
Subjects and Genres: '; ...Dikes (Engineering) Pennsylvania...
8
Published 1832
Record Source: Published Materials
Subjects and Genres: '; ...Traction-engines....
Book
9
Author: Wright, Benjamin, 1770-1842.
Published 1824
Record Source: Published Materials
Subjects and Genres: '; ...Locks (Hydraulic engineering)...
Book
10
Author: McKelvey, William J.
Published 1978
Record Source: Published Materials
Subjects and Genres: '; ...Locks (Hydraulic engineering) Middle Atlantic States History....
Book