Locus 4 is the cromlech, built in the spiral construction, making 2 full spirals.? d N-S=6.10 E-W 5.74m. (avg=5.92m).Drawn to scale by MEM.Southern outer stone:(Dat.A)2127.189- .Eastern outer stone: (Dat.B)2126.532- .Northern-E outer stone:(Dat.B)2125.832- .Western-S outer stone:(Dat.A)2126.849- .Center capstone:(Dat.B)2126.732- .