This locus consists the sod and underlying topsoil layer of trench AB1--a 10YR 4/6 yellowish brown silty loam soil. Material frequencies are very slight. The central and south-central portion of the locus appear to contain bedrock boulders. The southern portion of the trench is slightly higher than the northern portion. Elevations: NW -135. SW -120, SE -69, NE -183, C -97