Program: HathiTrust Digital Library
- Publisher: US Army Corps of Engineers, North Central Division
- Print ISSN: 0278-5781
- Electronic ISSN: 0278-5781
- OCLC Number: 7688124
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
1955-1967; 1971 1971; 1977; 1979; 1975-1981; 1981; 1987; 1987*; 1989; 1993; 1995; 1997
|
committed to retain | 2017-10-19 | HTDL |
|