Suggested citation and version history for Tillman, Fred D., Leake, Stanley A., Flynn, Marilyn E., Cordova, Jeffrey T., Schonauer, Kurt T., and Dickinson, Jesse E., 2008, Methods and indicators for assessment of regional ground-water conditions in the southwestern United States: U.S. Geological Survey Scientific Investigations Report 2008-5209, 22 p. [http://pubs.usgs.gov/sir/2008/5209/]. Version 1.0 January 12, 2009 Changed secondary identifier to "National Water Availability and Use Pilot Program" instead of "National Water Availability and Use Program" December 29, 2008 Improved two screenshots even more December 23, 2008 Improved some of the graphics December 18, 2008 Initial release online at http://pubs.usgs.gov/sir/2008/5209/