Barns: Preserving Agricultural Heritage, an exhibition on view through July 25, at Ella Sharp Museum in Jackson, highlights current efforts to document and preserve barns throughout the state of Michigan."In so many ways, the history of the U.S. is rooted in agriculture," said Doug Jones, Project Manager of the Clint Barrett Memorial South Central Michigan Barn and Farmstead Survey Project. "There are historic barns and farmsteads throughout Michigan. This is part of our shared and lasting