This locus is the doorway between WSM and WSN, which is blocked. Top and bottom elevations were taken at three points, one, the corner of the doorway at its northwestern etd (top elev, 2141.636, bottom elev, 2140.481), second, the center of the linear blockage of the doorway (top elev, 2141.301, bottom elev, 2140.446), at lastly, at the corner of the doorway in the northeastern wall to room M (top elev.2141.5896, bottom elev, 2140.386).
No Entities