(Roman Group J). The upper fill to a depth of ca. 16.00m. was of earth scooped up elsewhere and thrown in ... The latest piece noted from this fill was a TC fragment dated late 4th to 5th(?) c. BC. From ... 2nd.-3rd. c. A.D ... (Roman Group J). The upper fill to a depth of ca. 16.00m. was of earth scooped up