Program: HathiTrust Digital Library
- Publisher: Water Resources Division, U.S. Geological Survey
- Print ISSN: 0085-6924
- Electronic ISSN:
- OCLC Number: 4203859
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
1956-1961; 1970; 1969-1971; 1971-1972
|
committed to retain | 2018-11-17 | HTDL |
|