HER 4224 DESCRIPTION:- Dark linear cropmarks within light mottled area in dark crop visible on Camb AP {1} possibly part of an enclosure truncate by motorway.{pers comm S Brown} Possible slight trace of this enclosure visible on RAF APs {3} light blurred marks in light crop (prints are very grey) small better defined rectangular enclosure visible immediately to W of larger feature. Small enclosure is c40m x 15m (very approximately from sketch plot) no visible entrance {pers comm S Brown} |