Early Historic Cities of Northern India

10. Interaction systems, specialised crafts and culture change: The Indus Valley Tradition and the Indo-Gangetic Tradition in South Asia

“…The first stage of expansion or consolidation was seen in the distribution of PGW sites throughout the northern Gañgá-Yamunä Doab, and the extension into the central Indus Valley along the bed of the Ghaggar-Hakra (ancient Saraswati) River. There is also an expansion of PGW sites into the Middle Ganga Valley and the western Vindhyan region, around Ujjain (Erdosy 1987(Erdosy , 1988Lai 1985). During the following NBPW phase the expansion continues to the east as far as the Chota Nagpur Plateau, to the northwest as far as Taxila, and to the southwest across the Malwa Plateau to the coastal regions of Gujarat (Roy 1983(Roy 1986.…”