Soil sampling of two boundary banks by K Sargent, to try to establish whether podsolization of the soil had commenced before the banks were constructed, produced inconclusive results. One bank was found to consist of windblown sand, which had presumably built up against some kind of obstacle, and is not therefore a genuine boundary bank. Related work carried out in 1995 by I Ellis had indicated a change in vegetation from deciduous woodland to heath via arable cultivation, with a Tilia decline clear within the soil buried beneath one bank, suggesting it could be Bronze Age in date.