Fig. 2: Trace of Ghaggar–Hakra palaeochannel on northwestern Indo–Gangetic plain

 (a) Background shows Landsat 5 TM colour composite mosaic (bands 456). The Ghaggar–Hakra palaeochannel is visible as a sinuous, dark blue feature. Location of GS core sites adjacent to the Indus urban centre of Kalibangan, along with core sites at KNL1, MNK6, and SRH5, are also indicated. Location of key Indus urban settlements indicated by triangles. (b) Geomorphological map showing major alluvial landforms in the study region. Ch, Chandigarh; HFT Himalayan frontal thrust