Program: Linda Hall Library of Science, Engineering & Technology
- Publisher: Pennsylvania Bureau of Topographic and Geologic Survey
- Print ISSN:
- Electronic ISSN:
- OCLC Number: 1950596
- 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 |
|---|---|---|---|---|
|
n1(1932)-2
|
committed to retain | 20140101 | Linda Hall Library of Science, Engineering & Technology |
|