||Early escarpment built together with the revetment wall f72, the J2 staircase and the other constructive elements forming the big terrace complex. It dates to the ED III and belongs to the big city reorganization of that period. This escarpment abuts the base of the revetment wall and slopes sharply to the south to link the base of the wall with the lower level of the plaza, assumed to be around 8500, the same elevation of the palace court. The J1 escarpment is built reusing earlier material found in that area. It is flat next to the base of the wall, where it is covered by a thick layer of hard clay to protect the wall from water seepage. We assume this layer was covering all the surface of the escarpment but to the south it is not preserved because of the massive erosion caused by the water coming from west. The same escarpment to the west (J5) is built with a series of flat big limestone slabs, creating one of the most impressive elements of the terrace.
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