Version history for:


  Cox, Dennis P., Miller, Robert J., and Woodbourne, 
       Keith L., 2006, The Laramide Mesa Formation and the 
       Ojo de Agua Caldera, southeast of the Cananea Copper 
       Mining District, Sonora, Mexico:  U.S. Geological 
       Survey Scientific Investigations Report 2006-5022. 
       [available on the World Wide Web at 
       http://pubs.usgs.gov/sir/2006/5022/ ].


  Version 1.0, July 21, 2006

  Initial release online at
  http://pubs.usgs.gov/sir/2006/5022/