In the center of the photograph there is a road that jogs from right to left. To the right of where the photographic has jogged to the left there is a row of trees and to the right of these trees a row of houses. This row of houses sites on dune 2, which is the pre-jetty foredune. To the left of where the road jogs left, there is some vegetation and a lake and wetlands and than a high dune. This high dune is dune 3a.
Samples shown reflect a variety of dating materials, physical settings, and depth to sampling.
However, the back date of 4050yrs. BP does reflect that beach progradation started after that time. The 4050 yrs. BP date is for a sample 8.2 meters deep and represents a lag of about 1000 years after progradation started. This reflects a back date of about 5000 yrs.