Or careful thought: > In 1856, General Alexander Cunningham, later director general of the archaeological survey of northern India, visited Harappa where the B

Or careful thought: > In 1856, General Alexander Cunningham, later director general of the archaeological survey of northern India, visited Harappa where the British engineers John and William Brunton were laying the East Indian Railway Company line connecting the cities of Karachi and Lahore. John wrote: "I was much exercised in my mind how we were to get ballast for the line of the railway". They were told of an ancient ruined city near the lines, called Brahminabad. Visiting the city, he found it full of hard well-burnt bricks, and, "convinced that there was a grand quarry for the ballast I wanted", the city of Brahminabad was reduced to ballast. https://en.wikipedia.org/wiki/Indus_Valley_Civilisation https://en.wikipedia.org/wiki/Indus_Valley_Civilisation