Suggested citation and version history for


  Pool, Donald R., and Anderson, Mark T., 2008, Ground-
       water storage change and land subsidence in Tucson 
       Basin and Avra Valley, southeastern Arizona, 1998-
       2002:  U.S. Geological Survey Scientific 
       Investigations Report 2007-5275, 34 p. 
       [http://pubs.usgs.gov/sir/2007/5275/].


  Version 1.0, September 12, 2008

  Initial release online at
  http://pubs.usgs.gov/sir/2007/5275/