Unexcavated. Despite not being excavated, 15027's stratigraphic position was revealed by excavation of drain 15029 in sondage 1. Small rounded pebbles/river stones. No bonding - contained within soil matrix. Soil matrix remains undefined.

N-S/E-W

Single layer

80/90cm x 300cm

Below cut 15024, which was cut into 15004 until it reached 15027 and used 15027 as bottom surface. On top of drain 15029.