This is an 18 by 24 inch detail drawing of the Somesville Museum. It shows the grade line, coarse gravel fill, treated outer layer coming into contact with the ground, rigid foam insulation, sill plate, plywood, sill and ram set, etc.
“Detail Drawing of the Somesville Museum,” Mount Desert Island Historical Society, accessed December 19, 2024, https://mdihs.digitalarchive.us/items/show/16381.Item 16747