Preservation tech notes : metals.
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| Corporate Author: | |
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| Format: | Government Document Journal |
| Language: | English |
| Published: |
Washington, D.C. :
National Park Service, Preservation Assistance Division,
1989-.
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| Subjects: |
| Published: | No. 1 (Aug. 1989)- |
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| Item Description: | Each issue has a distinctive title. |
| Physical Description: | v. : ill. ; 28 cm. |