1. SNWA (Southern Nevada Water Authority) 2005 SNWA Resource Plan www.snwa.com/html/wr_resource_plan.html
2. UNEP (United Nations Environment Programme) 2000 The Watershed: Water From the Mountains Into the Sea www.unep.or.jp/ietc/Publications/Short_Series/LakeReservoirs-2/index.asp
3. USBR (US Bureau of Reclamation) 2004 USBR Lower Colorado Region www.usbr.gov/lc