Program: Linda Hall Library of Science, Engineering & Technology
- Publisher: [Commonwealth of Pennsylvania, Dept. of Internal Affairs, Topographic and Geologic Survey]
- Print ISSN: 0734-6247
- Electronic ISSN:
- OCLC Number: 1636466
- Validation: None
- Retention:
- Institution: Linda Hall Library of Science, Engineering & Technology
- Facility: Linda Hall Library of Science, Engineering & Technology
- OCLC Symbol: LHL
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
no.1-no.11 (1944-1965)
|
committed to retain | 20140101 | Linda Hall Library of Science, Engineering & Technology |
|