June 23-25 Thurs-Sat. Kraitz Cabin Volunteer preservation project 9 am – 4 pm This is the oldest structure on the mainland in Sleeping Bear Dunes National Lakeshore. The replacement of deteriorated logs will have been completed by our log restoration contractor. In this project, volunteers will re-build the roof and loft floor and clean up around the cabin. Come for as many days or hours as you are able. Construction skills helpful. Wear close-toed shoes, bring a lunch and water. M-22 to Bohemian rd. south on left.