Program: HathiTrust Digital Library
- Publisher: Robert Schulze Environmental Consultant
- Print ISSN: 1076-4666
- Electronic ISSN:
- OCLC Number: 16929181
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
1991
|
committed to retain | 2011-12-06 | HTDL |
|