Cropmarks of probable former field boundaries, recorded by air photography.

Test pits revealed early Roman features and finds.

Bronze Age Cauldron, recorded during excavations at Sheepen in 1932.

To the west of the decoys are cropmarks of two very large ring ditches.

Late Bronze Age pottery, Neolithic flint, Anglo-Saxon? Sherds found during excavations in 1972.

Linear features including field boundaries, several large pits which may be sunken houses or defensive, and two ring-ditches.

Group of Late Iron Age and early Roman occupation features, 19 St Clare Road, Colchester, indicating an area of settlement or agricultural-related activity.

Scattered and sparse archaeological features were defined in 19 trial-trenches excavated by Colchester Archaeological Trust in Colchester Garrison Alienated Land Area J2, in October 2006 and September 2007. No further investigation took place.

A number of medieval and late medieval ditches, pits (clay extraction pits?) and post-holes were defined (possibly part of a structure?) in advance of the construction of a water pipeline in 2011.

Bronze Age Pottery, Iron Age Pottery, Flints, Roman Pottery, recorded during a watching brief in 1994.