Program: HathiTrust Digital Library
- Publisher: Management Information and Data Systems Division, U.S. Environmental Protection Agency [For sale by the Supt. of Docs., U.S. Govt. Print. Off.]
- Print ISSN: 0094-3231
- Electronic ISSN:
- OCLC Number: 1792335
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
1973
|
committed to retain | 2006-09-13 | HTDL |
|