http://www.golesotho.co.za/Katse%20Dam.html
2016 - http://www.waterwise.co.za/site/water/purification/
2016 - https://en.wikipedia.org/wiki/Lesotho_Highlands_Water_Project
2004 - http://www.southafrica.info/business/economy/infrastructure/sa-lesothowaterproject.htm
...
