Indus Valley

…the 1,300-kilometre length of the Indus valley, for instance, depends almost exclusively on barrages (i.e., distributor canals) running down alluvial fans and along floodplains.

The Indus valley may be divided into three parts: in the north are the plains of the five tributary rivers of the Punjab (Persian: Panjāb, “Five Waters”); in the center the consolidated waters of the Indus and its tributaries flow through the alluvial plains of Sind;…

… on the borders of the Indus system and Baluchistan was revolutionized by excavations at Mehrgarh and elsewhere.

…mountainous section of Pakistan, the Indus valley lies in the driest part of the subcontinent. Northwestern winds sweep the upper Indus valley in winter and bring 4 to 8 inches (100 to 200 mm) of rainfall—vital for the successful growing of wheat and barley. The mountainous region of the upper…