We continue today to work at the western end of the southern shrine wall and in leveling E503 across the operation. In trench east the karas sherds discovered yesterday are widening w/cobbles found with / under them as well. These sherds seem to sit upon rocks in many places. E503 continues across the operation with many dark patches, mottling .E501 is almost completely removed, coming down on clay and cobbles. As E504 descends to a similar level it is becoming less productive (in terms of materials, and more sterile.