Authorities are investigating a breaking and entering in Keweenaw County. The Keweenaw County Sheriff’s Office says the break-in occurred at a cottage in Copper Harbor sometime between June 23rd and June 28th. A unique arch-shaped piece of native copper was stolen, along with a framed black and white plat map of Copper Harbor. If you have any additional information, the Keweenaw County Sheriff’s Office is asking you to call them at (906) 337-0528.