Suggested citation and version history for


  Mosier, D.L., Berger, V.I., and Singer, D.A., 2009, 
       Volcanogenic massive sulfide deposits of the world; 
       database and grade and tonnage models:  U.S. 
       Geological Survey Open-File Report 2009-1034 
       [http://pubs.usgs.gov/of/2009/1034/].


  Version 1.0, March 17, 2009

  Initial release online at
  http://pubs.usgs.gov/of/2009/1034/