This is the lower locus of trenchette WSKr, with a clayey, medium brown soil matrix, and no materials found. It finally reached a clay surface after one meter. The bottom elev above is an average; the elevs of the corners are as follows, clockwise from the NE corner, 2137.429, 2137.509, 2137.549, 2137.549 in the NW. Soil sample taken from clay surface.