Form Surface-visible palaeochannel features	Number	Percentage
cropmarks, soilmarks, moisture marks (Figure 5.3)	338	42%
floodplain depression (Figure 5.2)	241	30%
linear boundary (hedge, stream-line etc.; Figure 5.5)	153	19%
belt of vegetation (Figure 5.4)	61	7%
standing water (Figure 5.1)	18	2%
parish boundary (only)	10	N/A
ridge and swale (Figure 5.6)	34	N/A