Preservation Briefs, Nos. 15-23 Identifier: 12880 Object ID: 002.61.535 Catalog: Library Title: Preservation Briefs, Nos. 15-23 Type: Publication, Book Publisher: National Park Service PastPerfect: View this item using PastPerfect Online Citation “Preservation Briefs, Nos. 15-23,” Mount Desert Island Historical Society, accessed April 20, 2025, https://mdihs.digitalarchive.us/items/show/12514.Item 12880 Save this item as a PDF file