sentences:  Two dams - 'Lol Gray' and the 'Old Mill Dam' provided good quality water to run the trains, as well as domestic water supplies which were carted by train to nearby towns including Narrogin.Mallet bark was exported in ground form and was handled by a number of Fremantle exporters, notably Henry Will & Co., Rosenstamms and Joyce Bros. Production after 1959 declined rapidly, coinciding with a world glut, increased royalty and production costs, and increased competition from synthetic tannins.The industry had effectively collapsed by the early 1960s.