Program: HathiTrust Digital Library
- Publisher: U.S. Dept. of the Interior, Water and Power Resources Service ; For sale by the Supt. of Docs., U.S. G.P.O.
- Print ISSN: 0277-1942
- Electronic ISSN:
- OCLC Number: 7321830
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
v.66-67; v.66 no.1
|
committed to retain | 2018-08-25 | HTDL |
|