Jelaskan Rutland dari Daftar julukan kota di Vermont

The Marble City.Barna, Ed. "Rutland area continues broad economic expansion", Vermont Business Magazine, June 1, 2001, accessed April 15, 2007. "The extraction industry, historically important for a place nicknamed the Marble City, made headlines due to the OMYA marble grinding company's efforts to help meet a surging worldwide demand for calcium carbonate."