CURVILINEAR ENCLOSURE

UF Annular Enclosure
Penannular Enclosure
SN A monument consisting of an area of land enclosed by a ditch, bank, wall, palisade or similar barrier, where the boundary follows an irregular curving course.
CL MONUMENT <BY FORM>
BT ENCLOSURE
NT CIRCULAR ENCLOSURE
D SHAPED ENCLOSURE
OVAL ENCLOSURE
SPECTACLE ENCLOSURE
SUB CIRCULAR ENCLOSURE
RT RING DITCH