Program: HathiTrust Digital Library
- Publisher: Environmental Protection Agency; For sale by the Supt. of Docs., U.S. Govt. Print. Off.
- Print ISSN: 0092-0541
- Electronic ISSN:
- OCLC Number: 1788279
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
1964; 1965 1965; 1966 1966; 1967-1968; 1968
|
committed to retain | 2018-03-04 | HTDL |
|