The British officers moved all these to writing during their Land Settlements in the later part of the nineteenth century.
[1] Rod Koh is the main torrent bed which usually remains dry, when there is no flood, whereas Zam means the flow of perennial water coming out of springs.
[2] The flood and perennial water of the Zam is used for irrigation and drinking purpose.
They noticed some form of torrent agriculture although in a very poor state in a few locations of the Sulaiman piedmont.
Heavy rains in the catchments, which extend up to Balochistan region, Afghanistan, Sulaiman Range, Shirani Hills and Bhattani Range result in water rushing intotorrents in the foothill plains, named as Daman area, where torrent agriculture (Rod Kohi) is practised.