Gap in middle of wall in RASWQ covered by 16016, once 16016 was removed, soil continued with loose rocks and tiles. Possible doorway? Appears to abut 16047 in N. Wall is constructed in courses of medium large rounded basalt stones locally sourced in 2 faces with a rubble core banded by white mortar. Removal of 16042 revealed foundation linking 2 sections of the wall.