Program: HathiTrust Digital Library
- Publisher: Public Health Service, Division of Engineering Services, Air Pollution Engineering Program ;
- Print ISSN:
- Electronic ISSN:
- OCLC Number: 1768372
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
1959-1960 1959-1960; 1960; 1962-1963 1962-1963; 1967
|
committed to retain | 2022-07-04 | HTDL |
|