Program: Linda Hall Library of Science, Engineering & Technology
- Publisher: Commonwealth of Pennsylvania, Dept. of Environmental Resources, Office of Resources Management, Bureau of Topographic and Geologic Survey
- Print ISSN: 0097-5354
- Electronic ISSN:
- OCLC Number: 1380055
- 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 |
|---|---|---|---|---|
|
n. 1(1922)- 77: 79-104:106-205(1993)
|
committed to retain | 20140101 | Linda Hall Library of Science, Engineering & Technology |
|