Hydropac message summary :
- Publisher: U.S. G.P.O.
- Print ISSN:
- Electronic ISSN:
- OCLC Number: 8707412
- Subject: Navigational warnings, Special Pacific Ocean Periodicals.
- Subject code: V
- Publication history: Dec. 1, 1945-
Print Holdings
| Archiving Institution | Program | Holdings Description | Retention |
|---|---|---|---|
| HathiTrust (HATHI) | HTDL | 1946 Feb; 1946 Mar; 1946 Apr; 1946 May; 1946 Jun; 1946 Jul; 1946 Aug; 1946 Sep; 1947 Jun; 1947 Jan; 1948Jan; 1948 Jul; 1949 May; 1950 Jul; 1950 Jan; 1951 Jul; 1951 Jan; 1952 Jul; 1952 Jan; 1953 Jul; 1953 Jan; 1954 Jan | permanent |