National Register of Historic Places listings in Worcester County, Massachusetts National Register of Historic Places listings in Marlborough, Massachusetts References Buildings and structures in Marlborough, Massachusetts Buildings and structures in Southborough, Massachusetts Water supply infrastructure on the National Register of Historic Places Industrial buildings and structures on the National Register of Historic Places in Massachusetts Infrastructure completed in 1895 National Register of Historic Places in Middlesex County, Massachusetts National Register of Historic Places in Worcester County, Massachusetts Water supply infrastructure in the United States