Suggested citation and version history for


  Anima, Roberto, Wong, Florence L., Hogg, David, and 
       Galanis, Peter, 2007, Side-scan sonar imaging of the 
       Colorado River, Grand Canyon:  U.S. Geological 
       Survey Open-File Report 2007-1216, 15 p. 
       [http://pubs.usgs.gov/of/2007/1216/].


  Version 1.0

  January 11, 2008
  Fixed typo in southernmost latitude on figure 1.

  January 8, 2008
  Initial release online at
  http://pubs.usgs.gov/of/2007/1216/