Preservation tech notes / National Park Service, U.S. Department of the Interior.
- Publisher: National Park Service, Preservation Assistance Division
- Print ISSN: 0741-9023
- Electronic ISSN:
- OCLC Number: 10232538
- Subject: Buildings United States Conservation and restoration Periodicals.
- Subject code: E
- Publication history: PTN-1-
Print Holdings
| Archiving Institution | Program | Holdings Description | Retention |
|---|---|---|---|
| HathiTrust (HATHI) | HTDL | no.1-2 1990; no.6; no.15; no.17; no.19; no.26; no.27; no.29; no.32; no.38; no.39; no.40; no.41; no.42; no.45; no.46 | permanent |