This is the north corner locus to the large rock in the NW baulk. The soil is still dark and fairly loamy, appearing to be wash. Opening elevs: N: 2137.87; E: 2137.885; S: 2137.64; W: 2137.745; center: 2137.7. Closing elevs: N: 2137.555; W: 2137.52; S: 2137.48; E: 2137.655; center: 2137.51. The locus was closed when the new expansion to 6 m (Locus 14) was added to the NW baulk of WSDB.