Program: HathiTrust Digital Library
- Publisher: Delaware Geological Survey
- Print ISSN: 0418-5269
- Electronic ISSN:
- OCLC Number: 1607752
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
1st-2nd (1951/52-1952/53); 1952/1953 1952-1953; 1966 1966; 1965/66-1966/67; 1967 1967; 1972-1974; 1975 1975; 1969/70-1975/76; 1976 1976; 1976/1977; 1977 1977
|
committed to retain | 2016-01-29 | HTDL |
|