Beehive Kiln. Back of the photograph marked: "Fourteen beehive kilns like this remaining one produced hardwood charcoal to fire the blast furnace. Each firing required the product of one kiln." The lower left hand corner is singed.
LaRue Spiker, “Beehive Kilns,” Mount Desert Island Historical Society, accessed April 19, 2025, https://mdihs.digitalarchive.us/items/show/9899.Item 10265
