"Or as Amalananda Ghosh stated in 1952 after he discovered Harappan sites along the bed of the Ghaggar, those settlements ‘on the bank of the Sarasvati’ could not have been established there ‘had the river been dead during the lifetime of the culture’."
January 1, 1970
https://en.wikiquote.org/wiki/Indus_Valley_Civilisation_sites