1. 2005 ACS estimates, economic and housing characteristics tables;American Community Survey (ACS),2005
2. 2010 1-year ACS estimates, economic and housing characteristics tables;American Community Survey (ACS),2010
3. A proclamation of a state of emergency;Brown,2014
4. Urban drought guidebook;California Department of Water Resources (CDWR),2008
5. California drought an update;California Department of Water Resources,2009