Suggested citation and version history for


  Norman, Laura M., Hirsch, Derrick D., and Ward, A. 
       Wesley, eds., 2008, Proceedings of a USGS Workshop on 
       facing tomorrow's challenges along the U.S.-Mexico 
       border; monitoring, modeling, and forecasting change 
       within the Arizona-Sonora transboundary watersheds:  
       U.S. Geological Survey Circular 1322, 63 p. 
       [http://pubs.usgs.gov/circ/1322/].


  Version 1.0, April 2, 2008


  Initial release online at
  http://pubs.usgs.gov/circ/1322/