Program: HathiTrust Digital Library
- Publisher: Colorado Geological Survey, Dept. of Natural Resources, State of Colorado
- Print ISSN: 0099-6459
- Electronic ISSN:
- OCLC Number: 2534071
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
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no.8 1975; no.11; no.23 1983; no.28 1986; no.31 1986; no.32 1988; no.33 1989; 35 1993; no.35-37 (1993); no.43 (1997); 19-25; 28-30; 7-8; 31-33
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committed to retain | 2019-05-31 | HTDL |
|