Program: HathiTrust Digital Library
- Publisher: Iowa Geological Survey
- Print ISSN: 0735-3200
- Electronic ISSN:
- OCLC Number: 8887083
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
v.51 1981; v.52 1982; v.53 1983; v.54 1984; v.55 1985; v.56 1986
|
committed to retain | 2017-02-16 | HTDL |
|