The southwestern boundaries, in contrast to the previously defined margins, yield no evidence for postsedimentary faulting.
On the southwestern end the sides of the pit were slightly undercut, while the remaining walls were ver tical.
A larger raw-material sample from the southwestern basin is necessary to clarify the nature of compositional variation in this region.
It extends all along the southwestern coastal escarpment, but no attempt was made to perform age determinations on this material.
This image is situated on the upper border of the southwestern wall.
Very dense quantities of obsidian were encountered in the construction fill under the floors of certain pits, particularly on the southwestern side of the pyramid.
As noted above, artfully sung exchanges (common among other southwestern peoples) played a key role in courtship and other rituals.
Both dialects have a present-tense habitual use of do, and southwestern dialects have a past-tense use.