. "2009-04-01" . . "0191" . . . "Durham County Council" . . . "County Durham (district)" . . . "District of County Durham" . . "County Durham Council" . "Unitary Authority" . . . . . "DH1-DH99" . . . . "County Durham District" . . "district" . "County Durham" . . "County Durham (district)" . "+0" . "County of Durham" . . . . "area goverened by Durham County Council" . "County Durham district" . . "unitary authority" . . . . . "Durham unitary authority" . . "a single district" . "Durham" . . . . . . . . . "Durham, County" . . .