Olsen Farm project, Fri, June 26 9 am – 4 pm Come out do some historic preservation work on the barn and landscape in the Port Oneida Rural Historic District of Sleeping Bear Dunes National Lakeshore. Bring gloves, a shovel, lunch and wear close-toed shoes. Participants can volunteer for an hour or two. Stay as long as you want. For more information call Preserve Historic Sleeping Bear at 334-6103.