Program: HathiTrust Digital Library
- Publisher: Colorado Geological Survey, Dept. of Natural Resources
- Print ISSN:
- Electronic ISSN:
- OCLC Number: 9174664
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
July 1983-Apr, 1985
|
committed to retain | 2020-07-30 | HTDL |
|