1. Third management plan for Tucson active management area 2000 – 2010,1999
2. Integrated urban water management in the Tucson, Arizona Metropolitan Area;Arnold,2009
3. The manual of American water-works, second annual issue;Baker,1890
4. Water for the cities, a history of the urban water supply problem in the United States;Blake,1956
5. Salt Lake County demand and supply study;Bowen,2007