Locus 2 is the soil matrix beneath the topsoil on Trench 02.
5YR 3/1 very dark gray sandy clay.
Opening elevations:
NW: -1.44
SW: -1.61
SE: -1.64
NE: -1.75
C: -1.53
Closing elevations:
N: -1.48
E: -1.57
S: -1.35
W: -0.59
C: -1.24
Ahh, that is a problem.
2 pieces of obsidian