McMinnville officials are being asked to have a heart and adopt a stone.“Our Ebenezer” was placed by McMinnville Heritage Preservation on the site of the original Town Springs, a water source and the reason why the city was built here.“I’m here to try and sell the idea of adopting this spot as a city park,” said Neil Schultz, organization president, to members of the city Building and Grounds Committee. “There are a lot of tangible and intangible benefits to preservation. It encourages strong moral fiber.