This locus is the lower level of the floor of the room, that is a strip of the area below locus 66 that is adjacent to locus 65. We're dealing with a cultural tannish clay matrix that sits directly above a sterile orange clay. I opened this locus because locus 65 revealed that the orange clay we had been screening was sterile. With that probe in mind, it is sufficient now to merely "peel off" the level of the floor above this clay prep (?) surface, whose depth is highly variable. In some areas, locus 92 ends high, in masses of the sterile orange clay. In others, it dips down, as into the pit of locus 93. The bottom elevation indicated above refers to the top of one of the elevated clay masses.