Summary of hourly observations.
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- OCLC Number: 243940567
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- Publication history: 1- 1956-
Print Holdings
| Archiving Institution | Program | Holdings Description | Retention |
|---|---|---|---|
| HathiTrust (HATHI) | HTDL | no.30-1 to 30-24 Ala-Mont incomplete; no.30-25 to 30-52 Neb-P.R. incomplete 19uu; no.30-40 | permanent |