Program: HathiTrust Digital Library
- Publisher: North Dakota Geological Survey
- Print ISSN: 0091-9004
- Electronic ISSN:
- OCLC Number: 2253472
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
ser.1-5 (1972-73); ser.6-9 (1973-75); ser.10-13 (1975-81); ser.14-20 (1982-88); no.22 1993; no.21-23 1991-98; no.25-26 1999-2000; no.26 2000; no.25-27 1999-2001; no.27 2001; no.31 2007
|
committed to retain | 2019-02-01 | HTDL |
|