 Her tests at another area of the site failed to show proof that the sediments had not been disturbed.Research done by Richard I. Macphail of the Institute of Archaeology in London and Joseph M. McAvoy of The Nottoway River Survey contributed to the integrity discussion using a micromorphological analysis of the stratigraphy of the site.Their micromorphological observations, along with previous analyses, confirmed a series of conclusions on the integrity of Cactus Hill.