Watching brief on … construction of a telecommunications mast with equipment cabin and maintainance access immediately NE of Five Lane Ends roundabout. … The cropmark ditches recorded from the air failed to manifest themselves … it is reasonable to assume they were sand filled … constant wet weather during 2000 had effectively saturated the normally free draining subsoil, depressing the moisture differential between sand fill and sand matrix below the point of visual distinction. (1) Grid ref for S end of trenching. See E9468 and E9469 for further evaluation and geophysical survey in this area.