Exactly six months earlier, Mincey Marble officials pleaded their case for a new building in a heated Hall County Board of Commissioners meeting. On Thursday, the air was warm, but not from tense discussion, as company officials broke ground on a new 350,000 to 400,000-square-foot marble manufacturing plant — miles from the original, planned site. “It’s been a long, winding road, but I think we’ve got where we need to be now,” Mincey president Donna Mincey said.