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- Author(s):
- Waring, George E. Jr. (George Edwin), 1833-1898 author
- Publication:
- [Philadelphia?] : [publisher not identified], [1886?]
- Subject(s):
- Drainage, Sanitary
Sanitary Engineering
- Author(s):
- Gerhard, Wm. Paul (William Paul), 1854-1927 author
- Publication:
- Philadelphia : Franklin Institute of the State of Penna., 1895
- Subject(s):
- Sanitary Engineering
City Planning