Program: HathiTrust Digital Library
- Publisher: Ohio River Division, Corps of Engineers
- Print ISSN: 0748-7290
- Electronic ISSN: 0748-7290
- OCLC Number: 8703093
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
1967; 1975-79; 1987; 1989; 1987-91; 1991; v.1
|
committed to retain | 2014-02-09 | HTDL |
|