Archaeological Legend

Pottery Density

Sherds per square metre
mm 0 to 0.50
mm 0.50 to 1.40
mm 1.40 to 3.00
mm 3.00 to 6.00
mm 6.00 to 11.80

Rooftile Density

Sherds per square metre
mm 0 to 0.20
mm 0.20 to 0.55
mm 0.55 to 1.00
mm 1.00 to 1.90
mm 1.90 to 3.60

Visibility

mm One Visibility (Lowest Visibility)
mm Two Visibility
mm Three Visibility
mm Four Visibility
mm Five Visibility (Highest Visibility)