Monument record 0116101000 - Field E of Sentry Hill, Low Grounds Farm, Marlow

Dimensions - Radius 0012 m
Plan Form - ANNULAR
RING DITCH: NO TRACE ON GROUND. 24M DIAMETER WITHCENTRAL DARK STAIN (=BURIAL?). VISIBLE ON AP'S (B1). CIRCLE VISIBLE ON AP'S. PLOTTED (B2).
RING DITCHES PLOTTED AT 1:2500 (NMR METHOD)(B3).
In 2002, Marlow Archaeological Society conducted a resistivity survey on two of the ring ditches and investigated an area to the SW where the presence of the edge of an old water channel was possible detected. CAS 116101 had a small trench placed across the possible ditch feature which was shown to have been truncated by ploughing and 2m wide by 1m deep. It appears to be u-shaped and have two phases of backfilling or a possibly recut. Worked flint and contemporary building material was identified in the fills which were disturbed from the previous year's excavation (B6).
Ring ditch approx 30m in diameter identified as a circular anomaly (4004) during geophysical survey carried out in April 2008 by Wessex Archaeology (B16).
A detailed gradiometer survey carried out by Wessex Archaeology successfully located numerous anomalies of archaeological interest. The most interesting of these are two concentric annular anomalies appearing to form part of a barrow cemetery with two ring ditches identified by the previous WA geophysical survey. Near the northeastern extent of the survey area a sub-annular anomaly some 12m in diameter is consistent with the response from a roundhouse (B20)