6/30/13 The trench is moving apace thanks to its relatively small size. We proceeded through two loci today as two parallel alignments of stones became visible--what at present looks almost like a passageway, where I was expecting to be in the interior of a room. Oddly, it seems like one of the courses of stones extends into WSDA1, as if running diagonal and bisecting the northeast to southwest partition wall between WSDA and WSDB.