The gateway area is located at the southeast corner of Mound E and is part of a mudbrick perimeter wall that was first recognized in 1990. The bastion area consists of a Period 3B (2450-2200 B.C.) wall built upon a Period 3A (2600-2450 B.C.) wall,
Harappa Mound E and Mound ET related images.
The structures located at the southeastern corner of Mound E consists of a complex of massive baked brick/mud brick walls and baked brick drain complex.
Excavated by the Harappa Archaeological Research Project in 1993, this large corbelled drain was built in the middle of an abandoned gateway at Harappa to dispose of rainwater and sewage.
An overview of Mound E and ET looking north. Inside the city to the right of the corbelled drain and gateway is an area of the city that has been identified as a crafts quarter.